区块链
区块链 (區塊鏈 - qūkuàiliàn) is a technology that stores information in a very secure way. Imagine a chain of digital blocks, where each block contains some information. Once a block is added to the chain, it's very difficult to change or remove it. This makes blockchain very reliable and transparent.
When you hear 区块链 (qūkuàiliàn), think of 'blockchain.' It's like a digital record book that's shared and secured using advanced cryptography. Imagine each 'block' as a page in this book, and once a page is filled and added, it's very difficult to change. This makes it super secure and transparent.
Many people know 区块链 because it's the technology behind cryptocurrencies like Bitcoin. However, its uses go beyond just digital money. It's also used for tracking supply chains, managing digital identities, and even in voting systems to ensure fairness and prevent fraud. The main idea is to create a decentralized and trustworthy system where everyone can see and verify transactions.
区块链 30 सेकंड में
- Decentralized digital ledger.
- Transactions grouped into secure blocks.
- Immutable and transparent record-keeping.
§ What is '区块链' (qu块liàn)?
- Chinese Word
- 区块链 (qu块liàn)
- Part of Speech
- Noun
- English Definition
- blockchain
- CEFR Level
- C1
Okay, let's talk about '区块链' (qu块liàn). This word is super important if you're trying to understand modern tech and finance discussions in Chinese. It means 'blockchain', and it's not just a buzzword; it's a fundamental technology that's changing a lot of industries. You'll encounter it in many contexts, from business news to academic papers, and even in casual conversations about new investments.
§ In the Workplace: Business and Tech
In the professional world, '区块链' is everywhere. If you're working in tech, finance, logistics, or even certain areas of government, you'll hear this term. Companies are constantly exploring how to use blockchain for things like supply chain management, data security, and digital currency.
我们公司正在探索区块链技术在供应链中的应用。
Translation hint: Our company is exploring the application of blockchain technology in the supply chain.
这份报告详细介绍了区块链如何改变金融服务行业。
Translation hint: This report details how blockchain is changing the financial services industry.
When you hear it in a work context, it's usually about innovation, security, or efficiency. Be ready to discuss its potential benefits and challenges.
§ In Education: Research and Study
At school, especially in universities, '区块链' is a hot topic for research. Computer science students, economics majors, and even law students might be studying this. You'll see it in course titles, research papers, and academic discussions.
这门课将深入探讨区块链的原理与应用。
Translation hint: This course will deeply explore the principles and applications of blockchain.
我的毕业论文是关于区块链在数据安全方面的创新。
Translation hint: My graduation thesis is about innovations in blockchain for data security.
§ In the News: Current Events and Policy
You absolutely cannot avoid '区块链' if you follow Chinese news, especially business and technology news. It frequently appears in discussions about national policies, economic development, and digital transformation. China has a significant interest in blockchain technology, both in regulating it and harnessing its potential.
新闻报道称,政府正在加大对区块链技术的投资。
Translation hint: News reports state that the government is increasing investment in blockchain technology.
专家分析了区块链对未来经济发展的影响。
Translation hint: Experts analyzed the impact of blockchain on future economic development.
When reading news, pay attention to the context. Is the article discussing regulation, adoption, or criticism of blockchain? Understanding the government's stance and public opinion is key here.
Regulation: Often refers to how the government is managing cryptocurrencies or blockchain-related businesses.
Innovation/Application: Focuses on new uses for blockchain, such as in digital identity or supply chain tracking.
Security: Discussions around the inherent security features of blockchain or concerns about potential vulnerabilities.
So, there you have it. '区块链' is a word you'll encounter frequently across various important domains. Getting comfortable with it will significantly boost your understanding of contemporary Chinese discourse in technology, business, and current affairs. Keep practicing those examples!
Alright, let's talk about '区块链' (qu塊liàn) – blockchain. It's a hot topic, and while the concept might seem complex, using the word in Chinese doesn't have to be. However, there are some common pitfalls English speakers make. Avoid these, and you'll sound much more natural.
§ Mistake 1: Directly Translating 'Blockchain Technology'
Many learners, fresh from English, will try to say '区块链技术' (qu塊liàn jìshù) every single time they mean 'blockchain technology'. While technically correct, it's often redundant. In Chinese, '区块链' often implies the technology itself, so adding '技术' can be unnecessary in many contexts.
我们正在研究区块链。(Wǒmen zhèngzài yánjiū qūkuàiliàn.)
Translation hint: We are researching blockchain.
这个项目利用了先进的区块链。(Zhège xiàngmù lìyòngle xiānjìn de qūkuàiliàn.)
Translation hint: This project utilizes advanced blockchain.
§ Mistake 2: Confusing '区块链' with Cryptocurrencies
This is a big one. While cryptocurrencies like Bitcoin and Ethereum are built on blockchain technology, '区块链' itself is the underlying distributed ledger system, not the digital currency. Don't use '区块链' when you actually mean 'cryptocurrency' (加密货币 - jiāmì huòbì).
- DEFINITION
- 区块链 (qūkuàiliàn): The technology; the decentralized, distributed public ledger.
- DEFINITION
- 加密货币 (jiāmì huòbì): Cryptocurrencies, digital or virtual currencies secured by cryptography.
比特币是基于区块链的加密货币。(Bǐtèbì shì jīyú qūkuàiliàn de jiāmì huòbì.)
Translation hint: Bitcoin is a cryptocurrency based on blockchain.
§ Mistake 3: Overuse and Misapplication
Just like in English, 'blockchain' can sometimes be a buzzword. Don't sprinkle '区块链' into every sentence where it doesn't quite fit. Make sure the context genuinely involves blockchain technology. For example, don't say '区块链公司' (qūkuàiliàn gōngsī) if you just mean a company that *invests* in blockchain, but doesn't *develop* or *implement* it directly. Instead, you might say '投资区块链的公司' (tóuzī qūkuàiliàn de gōngsī - a company that invests in blockchain).
Correct use: '区块链项目' (qūkuàiliàn xiàngmù) - blockchain project
Correct use: '区块链应用' (qūkuàiliàn yìngyòng) - blockchain application
Correct use: '开发区块链平台' (kāifā qūkuàiliàn píngtái) - develop a blockchain platform
§ Mistake 4: Incorrect Tones for '链' (liàn)
The word '链' (liàn) means 'chain' and has a 4th tone. This is crucial for clear pronunciation. Mispronouncing it can lead to confusion or simply make you harder to understand. Take the time to practice the tones.
- PINYIN AND TONES
- 区 (qū - 1st tone) 块 (kuài - 4th tone) 链 (liàn - 4th tone)
By keeping these points in mind, you'll use '区块链' much more accurately and confidently in your Chinese conversations. Good luck!
§ What is 区块链 (Blockchain)?
Let's start with the basics. You've seen the word "区块链" (qūkuài liàn), which directly translates to "blockchain." It's a pretty hot topic these days, especially if you're involved in tech, finance, or even just following the news.
- DEFINITION
- blockchain
Basically, a blockchain is a decentralized and distributed digital ledger. Think of it like a public record book that everyone can see, but no single person or entity controls it. This makes it very secure and transparent.
这项技术的核心是区块链。
Translation hint: The core of this technology is the blockchain.
许多公司正在探索区块链的应用。
Translation hint: Many companies are exploring applications of blockchain.
§ Similar Words and When to Use Them
While "区块链" is quite specific, it's often used in conjunction with other terms. Let's break down some common ones and how they relate.
- 加密货币 (jiāmì huòbì) - cryptocurrency
This is probably the most common term you'll hear alongside "区块链." Cryptocurrencies like Bitcoin and Ethereum are built on blockchain technology.
加密货币的交易记录存储在区块链上。
Translation hint: Cryptocurrency transaction records are stored on the blockchain.
- 去中心化 (qù zhōngxīnhuà) - decentralization / decentralized
This is a core concept of blockchain. It means no single authority controls the system. This is what makes blockchain different from traditional banking systems, for example.
去中心化是区块链的主要特征之一。
Translation hint: Decentralization is one of the main characteristics of blockchain.
- 分布式账本 (fēnbùshì zhàngběn) - distributed ledger
This is a more technical term that describes how the blockchain works. Imagine many copies of the same ledger spread across different computers, all synchronized. This makes it very hard to tamper with.
区块链是一种分布式账本技术。
Translation hint: Blockchain is a distributed ledger technology.
- 智能合约 (zhìnéng héyuē) - smart contract
These are self-executing contracts with the terms of the agreement directly written into code. They run on a blockchain, often associated with platforms like Ethereum.
智能合约可以自动化许多商业流程。
Translation hint: Smart contracts can automate many business processes.
§ When to Use Each Term
Use "区块链" when you're talking about the underlying technology itself. It's the infrastructure.
Use "加密货币" when you're talking about digital currencies that use blockchain.
Use "去中心化" when discussing the characteristic of not having a central authority, which is key to blockchain's design.
Use "分布式账本" when you want to refer to the specific type of ledger system that blockchain represents.
Use "智能合约" when you're referring to the programmable agreements that run on a blockchain.
How Formal Is It?
"區塊鏈技術在金融領域具有顛覆性潛力。"
"許多公司都在探索區塊鏈的應用。"
"那個區塊鏈項目聽起來很有趣。"
"這個鏈條帳本可以幫我們記錄很多東西。"
"搞區塊鏈的都發財了。"
स्तर के अनुसार उदाहरण
我学习区块链。
I study blockchain.
区块链技术很新。
Blockchain technology is very new.
他对区块链感兴趣。
He is interested in blockchain.
我们谈论区块链。
We talk about blockchain.
你知道区块链吗?
Do you know blockchain?
区块链改变世界。
Blockchain changes the world.
她写关于区块链的文章。
She writes articles about blockchain.
区块链是未来。
Blockchain is the future.
区块链技术正在改变金融行业。
Blockchain technology is changing the financial industry.
正在 (zhèngzài) indicates an action in progress.
我们需要更好地理解区块链的工作原理。
We need to better understand how blockchain works.
更好地 (gèng hǎo de) means 'better'.
很多人对区块链的未来发展充满期待。
Many people are full of expectations for the future development of blockchain.
充满 (chōngmǎn) means 'full of'.
区块链可以提高数据的透明度和安全性。
Blockchain can improve data transparency and security.
可以 (kěyǐ) means 'can' or 'could'.
一些国家正在研究区块链的监管政策。
Some countries are researching regulatory policies for blockchain.
正在 (zhèngzài) indicates an action in progress.
区块链在供应链管理中有潜在的应用。
Blockchain has potential applications in supply chain management.
有 (yǒu) means 'to have'.
学习区块链知识对职业发展很有帮助。
Learning blockchain knowledge is very helpful for career development.
对...有帮助 (duì...yǒu bāngzhù) means 'helpful for...'.
区块链技术仍处于发展初期。
Blockchain technology is still in its early stages of development.
仍 (réng) means 'still'.
इसे कैसे इस्तेमाल करें
区块链 (qūkuàiliàn) is the direct translation of 'blockchain' in Chinese. It's used in the same contexts as in English, referring to the decentralized, distributed ledger technology. You'll hear this term frequently in discussions about cryptocurrency, fintech, and digital security. For example, '区块链技术正在改变金融行业。' (Blockchain technology is changing the financial industry.) or '这家公司专注于区块链解决方案。' (This company specializes in blockchain solutions.)
A common mistake might be trying to break down the characters individually to guess the meaning if you don't know the term. While 区 (qū) means 'area' or 'district', 块 (kuài) can mean 'piece' or 'block', and 链 (liàn) means 'chain', the meaning of 'blockchain' is specific and wouldn't be easily deduced character by character for a new learner. It's best to learn '区块链' as a single, fixed term. Another potential mistake is not capitalizing it when referring to the proper noun in an English sentence, but in Chinese, it's always written in characters, so capitalization isn't an issue. Also, ensure you use the correct tone for each character, especially 块 (kuài) with its fourth tone.
सुझाव
Recognize the characters
"区" (qū) means area or district. "块" (kuài) means lump, piece, or block. "链" (liàn) means chain. So, literally, it's an 'area block chain'.
Pronunciation practice
Break down the pronunciation: "qu" (like 'chew' but with a 'ch' sound) "kuai" (like 'kwai' in 'Kwaidan') "lian" (like 'lien' in 'alien'). Practice saying them together: qūkuàiliàn.
Common usage
This term is often used in discussions about technology, finance, and decentralized systems. You'll hear it in news reports and tech articles. Think of it as a direct translation of blockchain.
Contextual examples
Consider sentences like: '比特币是基于区块链技术的' (Bǐtèbì shì jīyú qūkuàiliàn jìshù de) - Bitcoin is based on blockchain technology.
More contextual examples
Another example: '区块链可以提高数据安全性' (Qūkuàiliàn kěyǐ tígāo shùjù ānquánxìng) - Blockchain can improve data security.
Don't confuse with related terms
While related, don't confuse it with '加密货币' (jiāmì huòbì) which means cryptocurrency, or '分布式账本' (fēnbùshì zhàngběn) which means distributed ledger.
Look for compound words
You'll often see '区块链技术' (qūkuàiliàn jìshù) meaning blockchain technology, or '区块链平台' (qūkuàiliàn píngtái) meaning blockchain platform.
Practice writing it
Write the characters a few times. Focus on the stroke order for each character: 区, 块, 链. This helps with memorization.
No common abbreviations
Unlike some English tech terms, '区块链' doesn't have a widely used short form or abbreviation in Chinese. Always use the full term to avoid confusion.
Understand the concept behind the word
To truly grasp '区块链', make sure you understand what a blockchain is in English first. This will solidify your understanding of the Chinese term.
याद करें
स्मृति सहायक
Imagine a **qu**ilt made of **kuai** (blocks) in a **lian** (chain). Each block is linked to the next, forming a secure and distributed ledger. 'Qu-kuai-lian' sounds a bit like 'cool guy, man' if you stretch it, picturing a cool guy with a blockchain project.
दृश्य संबंध
Picture a literal chain made of glowing, interconnected blocks, each with data inside. This chain is unbreakable and extends infinitely. Maybe it's even hovering over a stylized world map, showing its global reach and decentralized nature.
Word Web
चैलेंज
Try to explain blockchain technology to a friend using only Chinese vocabulary you know, making sure to include '区块链'. For example, you could say: '区块链是一种很酷的技术。它使用分布式账本。' (Blockchain is a very cool technology. It uses a distributed ledger.)
असल ज़िंदगी में अभ्यास करें
वास्तविक संदर्भ
Talking about technology trends
- 区块链技术正在改变许多行业。
- Blockchain technology is changing many industries.
- 我对区块链的未来发展很感兴趣。
- I'm very interested in the future development of blockchain.
Discussing financial innovations
- 加密货币是区块链的一个应用。
- Cryptocurrency is an application of blockchain.
- 区块链在金融领域有很多潜在用途。
- Blockchain has many potential uses in the financial sector.
Explaining data security
- 区块链提供了一种去中心化的数据存储方式。
- Blockchain provides a decentralized way of storing data.
- 区块链的安全性是其主要优势之一。
- The security of blockchain is one of its main advantages.
Talking about business applications
- 供应链管理可以使用区块链来提高效率。
- Supply chain management can use blockchain to improve efficiency.
- 许多公司正在探索区块链的商业应用。
- Many companies are exploring commercial applications of blockchain.
Learning about new concepts
- 区块链到底是什么?
- What exactly is blockchain?
- 我正在学习区块链的基础知识。
- I am learning the basics of blockchain.
बातचीत की शुरुआत
"你对区块链了解多少?"
"你觉得区块链技术会如何改变我们的生活?"
"你认为区块链在哪个行业最有发展潜力?"
"你有没有用过任何基于区块链的产品或服务?"
"你觉得学习区块链重要吗?"
डायरी विषय
描述区块链技术如何运作。
想象一下五年后区块链将如何影响你的日常生活。
探讨区块链的潜在风险和挑战。
如果你要向一个完全不懂技术的人解释区块链,你会怎么说?
写一篇关于区块链如何改变某个特定行业的短文。
अक्सर पूछे जाने वाले सवाल
10 सवाल区块链 (qū kuài liàn) literally translates to "block chain." It refers to a decentralized, distributed, and often public digital ledger that is used to record transactions across many computers so that any involved record cannot be altered retroactively without the alteration of all subsequent blocks and the consensus of the network. Think of it like a very secure, shared digital notebook.
The pronunciation is qū kuài liàn. '区' (qū) is like the 'choo' in 'choose' but without the 'ch' sound, more like 'chew'. '块' (kuài) sounds like 'kwai' as in 'Kwaidan'. '链' (liàn) sounds like 'lyen' as in 'alien' but with an 'l' sound at the beginning. It's important to get the tones right: all three characters are in the fourth tone, meaning they have a falling tone.
Sure. Here's one: '很多人看好区块链技术的发展前景。' (Hěn duō rén kànhǎo qūkuàiliàn jìshù de fāzhǎn qiánjǐng.) This means: 'Many people are optimistic about the development prospects of blockchain technology.'
Another example: '公司正在研究区块链在供应链中的应用。' (Gōngsī zhèngzài yánjiū qūkuàiliàn zài gōngyīngliàn zhōng de yìngyòng.) This means: 'The company is researching the application of blockchain in supply chains.'
For most everyday conversations, you probably won't hear '区块链' often. However, if you're discussing technology, finance, or current events, especially concerning cryptocurrencies or digital innovations, it's a very common and important term to know. It's a C1 level word, meaning it's quite advanced and specific.
That's a great question! 区块链 is the underlying technology, the system itself. Cryptocurrency (加密货币 - jiāmì huòbì) is a specific application or product that uses blockchain technology. Think of it this way: the internet is a technology, and email is an application built on the internet. Similarly, blockchain is the technology, and Bitcoin or Ethereum are cryptocurrencies that use blockchain.
No, not really. Because '区块链' is a relatively new and technical term, it hasn't really developed any common idioms or fixed phrases in the same way older, more common words have. It's typically used directly in technical or news contexts.
Good question! You'll often hear it with:
• 分布式账本 (fēnbùshì zhàngběn) - distributed ledger
• 加密货币 (jiāmì huòbì) - cryptocurrency
• 去中心化 (qù zhōngxīnhuà) - decentralization
• 智能合约 (zhìnéng héyuē) - smart contract
These terms often appear together when discussing blockchain.
'区块链' is a direct and literal translation from the English term 'blockchain'. Chinese technical terms are often formed by directly translating the meaning of their English counterparts. '区' (qū) means 'block' (like a section), '块' (kuài) means 'piece' or 'chunk', and '链' (liàn) means 'chain'.
While many technical English terms are sometimes used directly in Chinese conversation, especially among younger, tech-savvy people, it's always better to use the proper Chinese term 区块链 when possible. It shows a higher level of fluency and understanding. In formal or professional settings, using the Chinese term is expected.
Break it down! Remember the literal translation: '区' (qū - block/area), '块' (kuài - piece/chunk), '链' (liàn - chain). So, it's a 'block-piece-chain', which gives you 'blockchain'. Visualizing actual blocks linked together can also help. Practice saying it out loud and use it in sentences to make it stick!
खुद को परखो 42 सवाल
Write a short sentence about what a 'chain' is, using characters you know.
Well written! Good try! Check the sample answer below.
Sample answer
这是一条链。 (This is a chain.)
Write 'block' using Chinese characters.
Well written! Good try! Check the sample answer below.
Sample answer
块 (block)
Combine 'block' and 'chain' to write 'blockchain' in Chinese characters.
Well written! Good try! Check the sample answer below.
Sample answer
区块链 (blockchain)
What is this sentence talking about?
Read this passage:
这是一个区块链。 (This is a blockchain.)
What is this sentence talking about?
The sentence directly states '这是一个区块链' which means 'This is a blockchain'.
The sentence directly states '这是一个区块链' which means 'This is a blockchain'.
What does the speaker like?
Read this passage:
我喜欢区块链。 (I like blockchain.)
What does the speaker like?
The sentence '我喜欢区块链' translates to 'I like blockchain'.
The sentence '我喜欢区块链' translates to 'I like blockchain'.
What is '区块链' described as?
Read this passage:
区块链很好。 (Blockchain is good.)
What is '区块链' described as?
The sentence '区块链很好' means 'Blockchain is good'. '很好' means 'very good' or simply 'good'.
The sentence '区块链很好' means 'Blockchain is good'. '很好' means 'very good' or simply 'good'.
This sentence means 'This is my book.' The correct order is '这 (This) 是 (is) 我 (my) 的 (possessive particle) 书 (book).'
This sentence means 'How are you?' The correct order is '你 (you) 好 (good) 吗 (question particle)?'
This sentence means 'He is a teacher.' The correct order is '他 (he) 是 (is) 老师 (teacher).'
以下哪项是“区块链”的正确定义?
“区块链”是一种分布式账本技术,用于记录交易。
“区块链”技术有什么特点?
区块链最主要的特点是去中心化,没有中央机构控制,并且一旦记录就很难被篡改。
以下哪个词与“区块链”关系最密切?
加密货币(如比特币)是基于区块链技术创建的。
区块链只用于金融领域。
区块链技术可以应用于许多领域,不仅仅是金融,例如供应链管理、医疗保健等。
区块链上的信息可以很容易地被更改。
区块链的特点之一是信息的不可篡改性,一旦记录就很难被更改。
比特币是一种基于区块链的加密货币。
比特币是第一个也是最著名的使用区块链技术的加密货币。
I need to buy a new phone.
Let's go see a movie this weekend.
Do you like to drink tea or coffee?
Read this aloud:
请问,洗手间在哪里?
Focus: xi shǒu jiān
तुमने कहा:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
我今天很高兴。
Focus: gāo xìng
तुमने कहा:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
这个多少钱?
Focus: duō shǎo qián
तुमने कहा:
Speech recognition is not supported in your browser. Try Chrome or Edge.
This sentence means 'This company uses blockchain technology.' The standard word order in Chinese is Subject-Verb-Object.
This sentence means 'I am very interested in blockchain.' '对...感兴趣' (duì...gǎnxìngqù) is a common structure meaning 'to be interested in...'.
This sentence means 'Blockchain will be more popular in the future.' '会' (huì) indicates a future event, and '更' (gèng) means 'more'.
This sentence introduces blockchain as a new technology.
This sentence describes blockchain's ability to securely record and transact.
This sentence indicates that blockchain is being widely applied in various fields.
Listen to the sentence about how blockchain technology is changing industries.
Listen to the question asking what you know about blockchain.
Listen to the sentence about people's positive outlook on blockchain's future.
Read this aloud:
请读这句话:区块链的去中心化特点很有趣。
Focus: 去中心化 (qù zhōngxīnhuà)
तुमने कहा:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
请读这句话:数字货币是区块链的一个应用。
Focus: 数字货币 (shùzì huòbì)
तुमने कहा:
Speech recognition is not supported in your browser. Try Chrome or Edge.
Read this aloud:
请读这句话:区块链技术提高了交易的安全性。
Focus: 安全性 (ānquánxìng)
तुमने कहा:
Speech recognition is not supported in your browser. Try Chrome or Edge.
/ 42 correct
Perfect score!
Summary
Blockchain provides a secure and transparent way to record information without a central authority.
- Decentralized digital ledger.
- Transactions grouped into secure blocks.
- Immutable and transparent record-keeping.
Recognize the characters
"区" (qū) means area or district. "块" (kuài) means lump, piece, or block. "链" (liàn) means chain. So, literally, it's an 'area block chain'.
Pronunciation practice
Break down the pronunciation: "qu" (like 'chew' but with a 'ch' sound) "kuai" (like 'kwai' in 'Kwaidan') "lian" (like 'lien' in 'alien'). Practice saying them together: qūkuàiliàn.
Common usage
This term is often used in discussions about technology, finance, and decentralized systems. You'll hear it in news reports and tech articles. Think of it as a direct translation of blockchain.
Contextual examples
Consider sentences like: '比特币是基于区块链技术的' (Bǐtèbì shì jīyú qūkuàiliàn jìshù de) - Bitcoin is based on blockchain technology.
उदाहरण
区块链技术在金融领域有广泛的应用前景。
संबंधित सामग्री
यह शब्द अन्य भाषाओं में
technology के और शब्द
万能插头
A2Universal adapter.
航天
B1The science and technology of travel beyond Earth's atmosphere into outer space.
人工智能
B1The simulation of human intelligence processes by machines, especially computer systems, including learning, reasoning, and self-correction.
附件
B1An extra document, file, or piece of equipment that is sent along with a main letter, email, or device. Essential for digital literacy and office communication.
自动化
B1The use of largely automatic equipment in a system of manufacturing or other production process to reduce human intervention.
突破
B1A sudden, dramatic, and important discovery or development. It involves overcoming a significant obstacle or limitation.
宽带
B1A high-capacity transmission technique using a wide range of frequencies, which enables a large number of messages to be communicated simultaneously; high-speed internet.
浏览
B1To browse, skim through, or look over quickly without reading in great detail.
照相机
A1Camera.
手机
A1mobile phone; cellphone