用你的语言查看此页面
English فارسی العربية Deutsch Español Français 日本語 한국어 Português हिन्दी
A1 noun #2,851 最常用 15分钟阅读

wrapper

开始练习 例句 笔记与提示 wrapper 30秒了解
解析 wrapper in your Level:
At the A1 level, you are learning the most basic and common words for everyday life. The word 'wrapper' is very useful because you see it every day when you eat snacks. A wrapper is the paper or plastic that covers a piece of food. For example, when you buy a piece of candy, chocolate, or a hamburger, it has a cover. This cover is called a wrapper. You must take the wrapper off before you eat the food. After you take it off, you throw the wrapper in the trash can. It is important to know this word because it helps you talk about food, eating, and cleaning up. You might hear a teacher say, 'Put your wrapper in the bin.' Or a parent might say, 'Don't eat the wrapper!' It is a simple noun. The spelling has two 'p's, and the 'w' at the beginning is silent. You pronounce it like 'rapper'. You can use it with colors and materials, like 'a red wrapper' or 'a plastic wrapper'. Learning this word helps you describe the things you hold in your hands every day. When you open a gift, the paper is called wrapping paper, but for small foods, we say wrapper. Practice using this word when you eat a snack today. Say to yourself, 'I am opening the wrapper.' This will help you remember it easily.
At the A2 level, your vocabulary is expanding to describe actions and everyday objects in more detail. The word 'wrapper' is a great example of a word you use when talking about routines, shopping, and the environment. A wrapper is the thin material—like paper, plastic, or foil—that protects items you buy, especially food. At this level, you should learn the verbs that go with 'wrapper'. You 'tear' or 'open' a wrapper. You 'take off' or 'remove' a wrapper. And most importantly, you 'throw away' or 'discard' an empty wrapper. You can also use it to talk about littering. For example, 'Please do not drop your candy wrapper on the street.' You will see this word in supermarkets, fast food restaurants, and kitchens. It is also helpful when you are asking for something. If you buy a sandwich and the paper is dirty, you can say, 'Excuse me, the wrapper is torn.' You should also know the plural form, which is simply 'wrappers'. For example, 'There are many empty wrappers on the table.' Remember that a wrapper is usually for small, flexible things. For big things, we use words like 'box' or 'bag'. By using 'wrapper' correctly with the right verbs, your English will sound much more natural when you talk about eating snacks or cleaning up your room.
免费注册阅读完整解释
At the B1 level, you can use the word 'wrapper' to discuss broader topics, such as environmental issues and consumer habits. A wrapper is not just the paper around a candy bar; it represents the concept of single-use packaging. At this stage, you can engage in conversations about recycling and pollution. You might say, 'Plastic wrappers are bad for the environment because they end up in the ocean.' You can distinguish between different materials, talking about 'foil wrappers', 'cellophane wrappers', or 'biodegradable wrappers'. You also understand that 'wrapper' comes from the verb 'to wrap', meaning to cover something completely. This helps you understand word families. In addition to food, you can use 'wrapper' for other products, like the plastic wrapper on a new DVD or a magazine. You can also understand instructions better, such as 'Keep the product in its original wrapper if you want to return it to the store.' At the B1 level, you should avoid confusing 'wrapper' with 'wrapping paper' (used for gifts) or 'envelope' (used for letters). You can also use descriptive adjectives, talking about a 'crumpled wrapper', a 'sticky wrapper', or a 'torn wrapper'. Using these combinations of adjectives and nouns shows that you are moving beyond basic vocabulary and can describe the physical state of objects in your daily life accurately.
免费注册阅读完整解释
At the B2 level, your use of the word 'wrapper' becomes more nuanced and extends into professional and abstract contexts. You are comfortable discussing the environmental impact of 'single-use wrappers' and the packaging industry's shift towards sustainable materials. You can articulate complex ideas, such as, 'The marketing team designed a bright, eye-catching wrapper to increase impulse purchases at the checkout counter.' Beyond physical packaging, you are introduced to specialized uses of the word. If you work in or study computer science, you will encounter 'wrapper' as a technical term. A 'wrapper function' or 'wrapper class' is code that encapsulates another component to simplify its interface or ensure compatibility. For example, 'We need to write a wrapper for the legacy API so it works with our new system.' You also understand the financial context of 'coin wrappers' used in banking to roll loose change. At this level, you are highly aware of the silent 'w' and the double 'p' in spelling, and you never confuse it with the musical artist 'rapper' in written English. You can use idiomatic or descriptive language, such as 'plain brown wrapper', which historically refers to sending sensitive or controversial materials discreetly through the mail. Your ability to navigate these different domains—environmental, technical, and commercial—demonstrates a solid upper-intermediate command of the vocabulary.
免费注册阅读完整解释
At the C1 level, you command the word 'wrapper' with near-native fluency, applying it effortlessly across a wide spectrum of specialized fields and metaphorical contexts. You understand that a wrapper is not merely a functional piece of packaging but a crucial element of product design, marketing psychology, and brand identity. You can engage in high-level discussions about how the tactile experience of a wrapper—the crinkle of the foil, the matte finish of the paper—affects consumer perception. In technical domains, your usage is precise. In software architecture, you discuss the implementation of wrapper patterns (like the Decorator or Adapter patterns) to manage system dependencies and encapsulate third-party libraries. In the context of luxury goods, you are familiar with the terminology of the tobacco industry, where the 'cigar wrapper' (the outermost leaf) is discussed in terms of its origin, fermentation, and influence on the flavor profile (e.g., a Connecticut shade or Maduro wrapper). You also recognize subtle cultural and historical references, such as the phrase 'shipped in a plain brown wrapper', denoting anonymity and discretion. Your vocabulary includes advanced collocations like 'shrink-wrapper', 'tamper-evident wrapper', and 'cellophane wrapper'. At this advanced stage, you can seamlessly transition from complaining about the ecological disaster of non-biodegradable wrappers to debating the architectural merits of an API wrapper in a software development meeting.
免费注册阅读完整解释
At the C2 level, your understanding of 'wrapper' encompasses its deepest etymological roots, its most obscure technical applications, and its subtle metaphorical resonances in literature and industry jargon. You recognize 'wrapper' as a derivative of Middle English, evolving to represent the modern obsession with encapsulation and presentation. You can dissect the socio-economic implications of the 'wrapper', discussing how the evolution from bulk goods to individually wrapped items reflects the rise of hyper-individualized consumer capitalism. In highly specialized technical discourse, you manipulate the concept of a wrapper effortlessly—whether discussing TCP wrappers in network security, which filter network access, or wrapper libraries that provide interoperability between disparate programming languages (e.g., creating a Python wrapper for a C++ library). You are adept at using the term metaphorically to describe anything that conceals or packages an underlying reality, such as describing a politician's speech as 'a palatable wrapper around a harsh policy.' You are familiar with archaic or highly specific uses, such as a 'wrapper' referring to a loose dressing gown or housecoat worn by women in the 19th and early 20th centuries. At this mastery level, the word is a versatile tool in your linguistic arsenal, allowing you to articulate complex ideas about containment, presentation, software abstraction, and environmental ethics with absolute precision and stylistic flair.
免费注册阅读完整解释
开始练习 例句 笔记与提示

wrapper 30秒了解

  • A thin cover made of paper, plastic, or foil.
  • Used mostly for food like candy, gum, and sandwiches.
  • Usually thrown away in the trash after it is opened.
  • In computers, it means code that surrounds other code.
The word wrapper refers primarily to a piece of paper, plastic, or thin metal foil that is used to cover or protect something, especially food items like candy, chocolate, or sandwiches. When you buy a piece of candy, the colorful exterior that you must remove before eating the treat is the wrapper. This outer layer serves multiple essential functions in modern commerce and daily life. First and foremost, a wrapper provides hygiene and protection, ensuring that the food inside remains clean, fresh, and safe from contamination by dirt, bacteria, or moisture during transportation and storage. Secondly, a wrapper acts as a crucial marketing tool. Companies design wrappers with bright colors, attractive logos, and enticing nutritional information to catch the consumer's eye on crowded store shelves.

The child eagerly tore off the bright red candy wrapper to get to the chocolate inside.

Beyond food, the term wrapper can apply to the packaging of various consumer goods, such as a plastic wrapper on a new DVD, a paper wrapper around a stack of printer paper, or the protective sleeve around a magazine.
Material Types
Wrappers can be made from cellophane, aluminum foil, wax paper, or biodegradable plastics.
In a broader sense, a wrapper is anything that wraps or encloses something else. For example, in the tobacco industry, the outermost leaf of a cigar is called the wrapper, and its quality heavily influences the cigar's flavor and price.

He carefully removed the foil wrapper from the stick of chewing gum.

In the realm of computer science and software engineering, a wrapper takes on a metaphorical but highly specific meaning. A wrapper function or wrapper class is a piece of code that surrounds another function or component, changing its interface or adding additional functionality without altering the original code's internal workings. This concept is fundamental in object-oriented programming and API development. Furthermore, in the context of banking and currency, a coin wrapper is a small paper tube used to hold a specific number of coins, making them easier to count, store, and deposit.
Environmental Impact
Single-use plastic wrappers are a major contributor to global pollution and landfill waste.
The lifecycle of a typical wrapper is incredibly short; it is manufactured, used to transport a good, and then almost immediately discarded by the end consumer.

Please do not throw your empty wrapper on the ground; use a trash can.

This brief utility has led to significant environmental concerns, as billions of plastic and foil wrappers end up in landfills or oceans every year. Consequently, there is a growing movement towards sustainable packaging, with companies investing in biodegradable, compostable, or recyclable wrappers. When learning this word, it is helpful to associate it with the physical action of unwrapping—the anticipation of revealing what is hidden inside.

The software developer wrote a wrapper to make the old database compatible with the new system.

Whether it is the crinkling sound of a plastic film, the smooth texture of a cigar leaf, or the protective boundary of a software class, a wrapper fundamentally serves to enclose, protect, and present its contents to the world.
Etymology
The word comes from the verb 'wrap' combined with the suffix '-er', meaning 'that which wraps'.
Understanding the various contexts in which 'wrapper' is used will significantly enrich your English vocabulary, taking you from everyday grocery shopping scenarios to advanced technical discussions.

She found an old gum wrapper at the bottom of her purse.

The concept of the wrapper is ubiquitous in modern society, symbolizing both the convenience of contemporary consumerism and the pressing need for environmental responsibility.
Using the word wrapper correctly involves understanding the specific verbs and adjectives that commonly accompany it in everyday English. The most frequent context for using this noun is when discussing the removal or disposal of packaging. You will often hear verbs like 'remove', 'take off', 'tear', 'open', 'discard', and 'throw away' paired with wrapper. For example, a parent might tell a child, 'Take the wrapper off the cheese before you eat it,' or a teacher might say, 'Please throw your candy wrappers in the trash can.'

He smoothed out the golden chocolate wrapper and used it as a bookmark.

Adjectives used with wrapper typically describe the material, the condition, or the contents. Common material adjectives include 'plastic', 'paper', 'foil', 'cellophane', and 'shrink'. Condition adjectives include 'empty', 'crumpled', 'torn', 'sticky', or 'discarded'.
Action Verbs
Tear, open, remove, unwrap, discard, and recycle are the most common verbs used with wrapper.
Content-related adjectives describe what the wrapper holds, such as 'candy wrapper', 'gum wrapper', 'burger wrapper', or 'muffin wrapper'.

The wind blew an empty plastic wrapper across the empty parking lot.

When discussing environmental topics, you might use phrases like 'single-use wrapper', 'biodegradable wrapper', or 'recyclable wrapper'. In these contexts, the word is used to highlight the issue of waste management and sustainability. In a more technical or specialized setting, the usage shifts. If you are working in a bank or handling cash, you would use 'coin wrapper' to refer to the paper tubes used for rolling coins. You might say, 'I need a few quarter wrappers to deposit these coins at the bank.'
Technical Usage
In IT, a wrapper is code that translates data or function calls between different software systems.
In software development, 'wrapper' is used as a technical noun. Programmers talk about 'writing a wrapper', 'creating a wrapper class', or 'using an API wrapper'.

We need to build a Python wrapper for this C++ library so our web team can use it.

This means they are creating a layer of code that simplifies or adapts an existing piece of software. In the context of cigars, aficionados discuss the 'cigar wrapper', noting its color, texture, and origin, such as a 'Connecticut shade wrapper' or a 'Maduro wrapper'. It is also important to note the plural form, 'wrappers', which is entirely regular and very common, as people often deal with multiple pieces of packaging at once.

The janitor swept up dozens of discarded wrappers after the school assembly.

You might also encounter the term in compound nouns or specific industry jargon, such as 'shrink-wrapper' (a machine that applies shrink wrap) or 'pallet wrapper'.
Prepositions
You take a wrapper 'off' something, or you leave something 'in' its wrapper.
Understanding these collocations and contexts ensures that you sound natural and fluent when using the word wrapper in both casual conversation and professional discourse.

Keep the collectible toy in its original wrapper to maintain its high value.

Whether you are asking someone to dispose of their trash, discussing a new software architecture, or evaluating the quality of a cigar, the word wrapper is a versatile and essential part of the English vocabulary.
The word wrapper is ubiquitous in English-speaking environments, appearing in a wide variety of contexts ranging from casual domestic life to highly specialized professional fields. The most common place you will hear this word is in everyday household and retail settings. In a kitchen, a parent might instruct a child to throw their candy wrapper in the garbage.

Mom told me to make sure the cheese wrapper goes into the plastic recycling bin.

At a grocery store or convenience store, you might hear cashiers or customers referring to torn wrappers on products, perhaps asking for a discount or a replacement if the wrapper is damaged, as a broken wrapper compromises the hygiene of the food.
Everyday Life
Kitchens, school cafeterias, and grocery stores are the most common places to hear this word.
Schools and parks are also common places to hear the word, usually in the context of littering and cleanliness. Teachers and park rangers frequently remind people to pick up their wrappers and dispose of them properly.

The park ranger asked the hikers to ensure no food wrappers were left on the trail.

Beyond everyday consumer contexts, you will hear the word wrapper prominently in discussions about the environment and sustainability. Environmental activists, documentary narrators, and policymakers frequently use the term when discussing plastic pollution, ocean cleanup efforts, and the transition to a circular economy. They talk about the billions of single-use wrappers that end up in landfills and advocate for edible or compostable wrappers.
Environmentalism
The word is frequently used in campaigns against littering and single-use plastics.
In the technology sector, particularly in software engineering and web development, the word wrapper is part of the daily jargon. You will hear programmers in daily stand-up meetings or read documentation discussing API wrappers, which are libraries that simplify the process of making requests to a web service.

The senior developer suggested writing a wrapper around the legacy code to modernize the interface.

They might also talk about wrapper classes in languages like Java, which encapsulate primitive data types into objects. In the financial sector, bank tellers and retail managers use the term when dealing with cash management, specifically referring to coin wrappers used to bundle loose change for deposit.

The bank teller handed the customer a stack of empty coin wrappers for his pennies.

Furthermore, in the luxury goods market, specifically the tobacco industry, the word is used by cigar enthusiasts and sellers to describe the outermost leaf of a cigar, which is a critical indicator of its quality and flavor profile.
Specialized Fields
Banking (coin wrappers), Tobacco (cigar wrappers), and IT (software wrappers).
Finally, you might hear the word in manufacturing and logistics, where large machines called pallet wrappers are used to secure boxes on a wooden pallet with stretch wrap for safe transportation.

The warehouse worker operated the stretch wrapper to secure the boxes onto the shipping pallet.

Because it applies to so many different fields—from a child eating a piece of candy to a software engineer designing a complex system—wrapper is a highly versatile word that you will encounter in almost every sphere of English-speaking life.
When learning and using the word wrapper, English learners often make a few specific mistakes related to spelling, pronunciation, and vocabulary choice. The most glaring and common mistake is confusing the spelling of wrapper with the word 'rapper'. A 'rapper' is a musician who performs rap music, whereas a 'wrapper' is a piece of packaging.

Incorrect: I threw the candy rapper in the trash.
Correct: I threw the candy wrapper in the trash.

Because the 'w' in wrapper is completely silent, the two words are homophones—they sound exactly the same when spoken. This leads to frequent typographical errors, even among native speakers typing quickly.
Spelling Error
Forgetting the double 'p' is another common mistake, resulting in the non-word 'wraper'.
Another spelling mistake is failing to double the 'p'. The base verb is 'wrap'. When adding the '-er' suffix to a one-syllable word ending in a single consonant preceded by a single vowel, the final consonant must be doubled. Therefore, 'wraper' is incorrect.

Incorrect: Please remove the plastic wraper.
Correct: Please remove the plastic wrapper.

In terms of pronunciation, learners whose native languages phoneticize every letter often try to pronounce the 'w', saying 'wuh-rap-er'. This is incorrect; the 'w' is entirely silent, and the word should start with the 'r' sound: /ˈræp.ər/. Another area of confusion lies in choosing the right word for the right type of packaging. Learners sometimes use wrapper when they should use 'box', 'carton', 'bottle', or 'bag'. A wrapper is specifically a thin, flexible material that tightly encloses an item.
Vocabulary Choice
Do not use wrapper for rigid containers. A cereal box is not a cereal wrapper.
For instance, you would not say 'a milk wrapper' (it's a milk carton or bottle) or 'a cereal wrapper' (it's a cereal box, though the plastic bag inside might loosely be called a wrapper, 'bag' is more accurate).

Incorrect: I bought a wrapper of milk at the store.
Correct: I bought a carton of milk at the store.

Furthermore, learners sometimes confuse 'wrapper' with 'wrapping paper'. While they are related, 'wrapping paper' specifically refers to the large, decorative sheets of paper used to wrap presents and gifts. You would not typically call the paper on a birthday present a 'gift wrapper'; you would call it 'wrapping paper'. Conversely, you would not call a candy wrapper 'candy wrapping paper'.

Incorrect: I need to buy a gift wrapper for her birthday present.
Correct: I need to buy wrapping paper for her birthday present.

Finally, in technical contexts, non-native IT professionals might misuse the term by applying it to any piece of software, rather than specifically to code that encapsulates or translates an existing interface.
Contextual Nuance
A wrapper implies something that is meant to be removed and discarded, unlike a permanent cover.
By paying attention to the silent 'w', the double 'p', and the specific physical characteristics of flexible, disposable packaging, learners can easily avoid these common mistakes and use the word wrapper with confidence and accuracy.

Make sure you don't leave your gum wrapper on the table.

Mastery of this word requires a clear understanding of its boundaries compared to other packaging vocabulary.
The English language has a rich vocabulary for describing packaging and coverings, and while wrapper is a very common term, there are several similar words that have distinct nuances and specific use cases. Understanding the differences between a wrapper, a package, a cover, a sleeve, and an envelope will greatly enhance your descriptive precision. The most general synonym is 'packaging'. Packaging refers to the entire system or materials used to enclose and protect products for distribution, storage, sale, and use.

The company is trying to reduce the amount of plastic packaging, including the outer wrapper, on its toys.

A wrapper is a specific type of packaging—usually thin, flexible, and closely fitted to the item. Another similar word is 'cover'. A cover is anything placed over or upon something else to protect or conceal it.
Cover vs. Wrapper
A cover is often permanent or reusable (like a book cover), while a wrapper is usually disposable.
While a wrapper is a type of cover, a cover is often more durable or permanent. For example, a book has a cover, and a barbecue grill has a cover, but you would not call these wrappers.

He put a protective cover on his phone after removing it from its original plastic wrapper.

The word 'sleeve' is also closely related. In packaging, a sleeve is a tubular piece of paper or plastic that slides over an item. Coffee cups often have a cardboard sleeve to protect your hands from the heat, and records or laptops are kept in sleeves. A wrapper, by contrast, usually encloses the item completely and must be torn or unwrapped to access the contents. 'Envelope' is another related term. An envelope is a flat paper container with a sealable flap, used primarily for sending letters or documents through the mail.
Envelope
Used specifically for flat paper items and mail, unlike a wrapper which conforms to 3D objects.
While an envelope wraps around a letter, it has a very specific, standardized shape and purpose, whereas a wrapper conforms to the shape of the object it holds, like a piece of candy or a sandwich.

She sealed the letter in an envelope, completely different from the foil wrapper on her desk.

The word 'casing' is used for the outer covering of a sausage or the protective outer layer of electronic devices or machinery. Casing implies something structural or integral to the product, whereas a wrapper is superficial and meant to be discarded. Finally, the term 'film' or 'shrink wrap' refers specifically to the very thin, transparent plastic used to tightly seal products like DVDs, meat, or pallets of goods.
Shrink Wrap
A specific type of plastic film that shrinks tightly over an item when heat is applied.
Shrink wrap is a type of wrapper, but it specifically denotes the material and the heat-shrinking process.

The new video game was sealed tightly in a clear plastic wrapper known as shrink wrap.

By distinguishing between these terms—packaging, cover, sleeve, envelope, casing, and film—you can choose the exact right word for the situation, demonstrating a high level of fluency and vocabulary mastery.

Instead of a disposable wrapper, the premium chocolate came in a reusable tin casing.

While 'wrapper' is the perfect word for your candy or gum, these alternatives will serve you better when discussing mail, books, hot beverages, or industrial goods.

How Formal Is It?

难度评级

需要掌握的语法

Spelling rule: Doubling the final consonant before adding '-er' (wrap -> wrapper).

Silent letters: Words beginning with 'wr' (write, wrong, wrap, wrapper).

Compound nouns: Noun + Noun combinations (candy wrapper, coin wrapper).

Countable nouns: Using 'a/an' and plural 's' (a wrapper, two wrappers).

Phrasal verbs: Using 'take off', 'throw away' with objects.

免费注册阅读完整解释

按水平分级的例句

1

I have a candy wrapper.

A piece of paper around candy.

Noun, singular.

2

Throw the wrapper in the trash.

Put the paper in the garbage.

Definite article 'the' + noun.

3

The wrapper is red.

The color of the paper is red.

Subject of the sentence.

4

I need to open the wrapper.

I must tear the paper to get the food.

Object of the verb 'open'.

5

This is a plastic wrapper.

The paper is made of plastic.

Adjective 'plastic' modifying the noun.

6

Do not eat the wrapper!

The paper is not food.

Negative imperative sentence.

7

Where is the gum wrapper?

Where is the paper for the chewing gum?

Compound noun 'gum wrapper'.

8

She has two wrappers.

She has two pieces of paper from candy.

Plural noun 'wrappers'.

1

Please take the wrapper off the cheese.

Remove the plastic from the cheese.

Phrasal verb 'take off' with the noun.

2

He dropped his empty wrapper on the floor.

He let the paper fall to the ground.

Adjective 'empty' modifying the noun.

3

I found a chocolate wrapper in my pocket.

There was paper from chocolate in my clothes.

Prepositional phrase 'in my pocket'.

4

The wind blew the wrapper away.

The air moved the paper.

Object of the verb 'blew'.

5

Can you put these wrappers in the bin?

Can you throw these papers away?

Plural demonstrative 'these' + plural noun.

6

The new DVD has a clear plastic wrapper.

The movie has plastic around it.

Multiple adjectives 'clear plastic'.

7

She tore the wrapper to open the cookies.

She ripped the paper to get the food.

Verb 'tore' used with the noun.

8

We need to clean up all these wrappers.

We must pick up the trash.

Infinitive phrase 'to clean up'.

1

Single-use plastic wrappers are very bad for the environment.

Plastic packaging used once harms nature.

Compound adjective 'single-use'.

2

The company is trying to make a biodegradable wrapper for its products.

The business wants packaging that breaks down in nature.

Adjective 'biodegradable'.

3

He carefully smoothed out the foil wrapper from the chocolate bar.

He made the metal paper flat.

Phrasal verb 'smoothed out'.

4

If the wrapper is torn, do not buy the food.

If the packaging is broken, don't buy it.

Passive voice / Adjective 'torn'.

5

The machine automatically puts a shrink wrapper around the boxes.

The machine puts tight plastic around the items.

Compound noun 'shrink wrapper'.

6

I collected all the candy wrappers to recycle them.

I gathered the packaging to use again.

Infinitive of purpose 'to recycle'.

7

The bright yellow wrapper is designed to catch your attention.

The yellow packaging is made to make you look at it.

Passive voice 'is designed'.

8

She left the sandwich in its wrapper so it would stay fresh.

She kept the food in the paper to keep it good.

Preposition 'in' + possessive 'its'.

1

The marketing department spent months designing the perfect wrapper for the new energy bar.

The team worked hard on the design of the packaging.

Noun phrase as the object of 'designing'.

2

In software engineering, a wrapper is used to translate data between two incompatible systems.

In coding, this translates information.

Technical usage of the noun.

3

The bank teller handed me a stack of coin wrappers so I could deposit my loose change.

The bank worker gave me paper tubes for coins.

Compound noun 'coin wrappers'.

4

Consumers are increasingly demanding that companies replace unrecyclable wrappers with sustainable alternatives.

People want eco-friendly packaging.

Noun clause following 'demanding'.

5

The premium cigar was distinguished by its dark, oily Maduro wrapper.

The cigar had a dark outer leaf.

Specialized vocabulary in the tobacco industry.

6

He wrote a Python wrapper for the C++ library to make it easier for the web developers to use.

He wrote code to connect two programming languages.

Technical IT context.

7

The book was shipped in a plain brown wrapper to ensure the buyer's privacy.

The item was sent in secret packaging.

Idiomatic phrase 'plain brown wrapper'.

8

Tamper-evident wrappers are crucial for ensuring the safety of over-the-counter medications.

Safety seals are important for medicine.

Compound adjective 'tamper-evident'.

1

The proliferation of non-biodegradable wrappers constitutes a severe ecological crisis that demands immediate legislative action.

Too much plastic packaging is a big environmental problem.

Formal academic vocabulary and structure.

2

By implementing an API wrapper, the development team successfully decoupled the frontend application from the legacy backend services.

Using a code connector separated the new app from the old system.

Advanced technical jargon (decoupled, legacy backend).

3

Connoisseurs often debate whether the filler or the wrapper contributes more significantly to a cigar's complex flavor profile.

Experts argue about which part of the cigar gives it more taste.

Contrastive structure 'whether... or'.

4

The controversial novel was initially distributed in a plain wrapper to circumvent the strict censorship laws of the era.

The banned book was sold in secret packaging to avoid the law.

Infinitive of purpose 'to circumvent'.

5

The new packaging regulations mandate that all commercial food wrappers must be fully compostable by the end of the decade.

New laws say packaging must break down naturally soon.

Noun clause introduced by 'that'.

6

She meticulously removed the cellophane wrapper, preserving the mint condition of the vintage vinyl record.

She carefully took off the plastic to keep the record perfect.

Participial phrase 'preserving the mint condition'.

7

The adapter pattern in object-oriented programming acts essentially as a wrapper, converting one interface into another that a client expects.

A coding pattern works like a cover to change how things connect.

Appositive phrase explaining the technical concept.

8

Despite the product's mediocre quality, its glossy, aesthetically pleasing wrapper drove unprecedented initial sales.

Even though the item was bad, its pretty packaging made it sell well.

Preposition 'Despite' showing contrast.

1

The TCP wrapper acts as a host-based networking ACL system, filtering network access to Internet Protocol servers on Unix-like operating systems.

A security tool filters network connections on computers.

Highly specialized cybersecurity terminology.

2

In a brilliant stroke of satirical marketing, the artist sold literal garbage encased in a luxurious, gold-leaf wrapper to critique consumerism.

The artist sold trash in fancy packaging to mock shopping habits.

Complex sentence with embedded clauses and advanced vocabulary.

3

The legislative proposal was nothing more than a palatable wrapper designed to obscure the draconian policy changes hidden within.

The law was just a nice cover for terrible rules.

Metaphorical use of the noun.

4

Historically, the term 'wrapper' could denote a loose negligee or dressing gown worn by women in the privacy of their boudoirs during the 19th century.

In the past, the word meant a woman's robe.

Archaic/historical definition usage.

5

The ubiquity of the disposable wrapper is emblematic of a throwaway culture that prioritizes momentary convenience over long-term ecological viability.

Packaging everywhere shows we care more about easy things now than the earth later.

Advanced academic phrasing ('emblematic of', 'ecological viability').

6

By utilizing a dynamic wrapper, the software engineers were able to inject malicious code into the executable without altering its original hash signature.

Using a special code cover, hackers put bad code in a program secretly.

Cybersecurity context involving malware techniques.

7

The aficionado noted that the wrapper leaf, grown under the shade of muslin tents in the Connecticut River Valley, imparted a distinctively mild, creamy finish.

The expert said the special outer leaf made the cigar taste smooth.

Highly specific agricultural and sensory vocabulary.

8

Her polite demeanor was merely a superficial wrapper, concealing a profound and calculating ruthlessness.

Her nice behavior was just a cover for her cruel personality.

Abstract, psychological metaphor.

近义词

covering casing jacket packaging sleeve sheath

反义词

contents core

常见搭配

candy wrapper
plastic wrapper
foil wrapper
gum wrapper
remove the wrapper
tear the wrapper
empty wrapper
chocolate wrapper
shrink wrapper
discard the wrapper

常用短语

take the wrapper off
in a plain brown wrapper
leave it in the wrapper
throw the wrapper away
a crumpled wrapper
a torn wrapper
a sticky wrapper
coin wrapper
cigar wrapper
software wrapper

容易混淆的词

wrapper vs rapper

wrapper vs wraper

wrapper vs wrapping paper

习语与表达

"under wraps"
"keep it under wraps"
"plain brown wrapper"
"wrap it up"
"wrapped around one's finger"
"wrapped up in"
"a riddle wrapped in a mystery"
"gift-wrapped"
"shrink-wrapped"
"wrapped in cotton wool"

容易混淆

wrapper vs cover

A cover is often permanent (book cover), a wrapper is disposable.

wrapper vs envelope

An envelope is for flat paper/mail; a wrapper conforms to 3D objects.

wrapper vs sleeve

A sleeve usually has open ends and slides on; a wrapper encloses completely.

wrapper vs casing

Casing is structural (sausage casing, computer casing); wrapper is superficial.

wrapper vs package

Package is a general term; wrapper is specifically a thin, flexible material.

句型

免费注册查看所有例句

如何使用

note

While 'wrapper' is countable, the material it is made of (plastic, foil) is often uncountable. You say 'a plastic wrapper', not 'a plastic'.

常见错误
  • Spelling it as 'wraper'.
  • Pronouncing the 'w' (wuh-rap-er).
  • Using 'wrapper' for a cardboard box.
  • Calling gift paper a 'gift wrapper'.
  • Confusing the spelling with 'rapper' (the musician).

小贴士

Double the P

Always remember to write two 'p's in wrapper. The base word is wrap. Because it is a short word ending in a consonant, you double the 'p' before adding '-er'.

Silent W

Do not pronounce the 'w'. Say it exactly like the music artist, a 'rapper'. Practice saying 'The rapper opened the wrapper' to remember they sound identical.

Wrapper vs. Box

Use wrapper for soft, flexible packaging like paper or plastic film. If the packaging is hard and made of thick cardboard, call it a box or a carton.

Countable Noun

Wrapper is a countable noun. You must use an article (a, the) or make it plural (wrappers). Never say 'I have wrapper'; say 'I have a wrapper'.

Action Verbs

Pair wrapper with action verbs. You 'tear' it, 'open' it, 'remove' it, and 'throw it away'. These collocations make your English sound very natural.

Environmental Discussions

Use this word when talking about pollution. 'Single-use plastic wrappers' is a great phrase to use in essays or debates about the environment.

IT Jargon

If you work in tech, learn the software definition. An 'API wrapper' is a very common term for code that simplifies interactions with other software.

Not for Gifts

Avoid using 'wrapper' for birthday or Christmas presents. The correct term for the decorative paper on a gift is 'wrapping paper'.

Plain Brown Wrapper

Learn the phrase 'in a plain brown wrapper'. It means something is shipped secretly so no one knows what is inside the package.

Look Around You

To memorize the word, look at the snacks in your kitchen. Every time you open a snack, say to yourself, 'I am taking off the wrapper'.

记住它

记忆技巧

A WRAPPER WRAPS your food so you can RAP it open.

词源

Middle English

文化背景

In cigar culture, the wrapper leaf is the most expensive and prized part of the cigar.

In IT culture, 'wrapper' is a daily term for code abstraction.

Wrappers are a primary target in campaigns against single-use plastics.

在生活中练习

真实语境

对话开场白

"Do you recycle your plastic wrappers?"

"What is the most annoying type of wrapper to open?"

"Do you think companies should be banned from using plastic wrappers?"

"Have you ever written a software wrapper for an API?"

"Why do you think the 'w' in wrapper is silent?"

日记主题

Describe the feeling of opening the wrapper of your favorite candy.

Write about a time you saw too many wrappers littering a beautiful place.

If you could invent a new, eco-friendly wrapper, what would it be made of?

Explain the difference between a wrapper and a box.

Write a short story about a golden wrapper that grants wishes.

常见问题

10 个问题

Yes, the 'w' is completely silent. You pronounce the word exactly the same as the word 'rapper'. This is common in English words starting with 'wr', like 'write' or 'wrong'. Do not try to make a 'w' sound. Just start with the 'r'.

A package is a broad term for anything packed together, which could be a cardboard box or a wooden crate. A wrapper is a specific type of packaging. It is usually made of thin, flexible material like paper or plastic. A wrapper fits tightly around the item, like candy or a sandwich.

Usually, no. For a birthday present, native speakers use the term 'wrapping paper'. A 'wrapper' is typically used for small, commercially packaged items like food or DVDs. If you say 'gift wrapper', people might understand, but it sounds unnatural.

It follows an English spelling rule. The base word is 'wrap', which has one syllable, one vowel, and ends in one consonant. When you add a suffix starting with a vowel (like '-er'), you must double the final consonant. Therefore, 'wrap' becomes 'wrapper'.

In programming, a wrapper is a piece of code that surrounds another function or system. It acts as a bridge or translator. It makes complex code easier to use without changing the original code. For example, an API wrapper helps your app talk to a database easily.

It depends on the material. Many candy wrappers are made of a mix of plastic and aluminum foil, which makes them very difficult to recycle. However, some companies are now making biodegradable or fully recyclable wrappers. You should always check the symbol on the packaging.

You use verbs related to opening and disposing. Common verbs are 'open', 'tear', 'remove', and 'take off'. After you eat the food, you use verbs like 'throw away', 'discard', or 'recycle'. For example: 'Tear the wrapper and throw it away.'

A coin wrapper is a small paper tube used in banking. It is designed to hold a specific number of coins, like 50 pennies or 40 quarters. People use them to organize loose change before taking it to the bank to deposit or exchange for paper money.

In the tobacco industry, a cigar wrapper is the large, high-quality tobacco leaf used for the very outside of a cigar. It is the most expensive part of the cigar. The wrapper determines much of the cigar's flavor, color, and overall appearance.

No, wrapper is strictly a noun. However, it can be used as a noun adjunct (a noun modifying another noun) in compound phrases. Examples include 'wrapper class' in programming or 'wrapper leaf' in cigars. But it is not a true adjective.

免费注册查看提示和笔记

自我测试 180 个问题

/ 180 correct

Perfect score!

免费注册开始练习

相关内容

有帮助吗？

评论 (0)

登录后评论
还没有评论。成为第一个分享想法的人！