A1 noun خنثی #2,000 رایج‌ترین 1 دقیقه مطالعه

长度

changdu /tɕhaŋ tu/

Length is the objective measurement of how long an object or a period of time is.

واژه در 30 ثانیه

  • Refers to the measurement of distance from end to end.
  • Used to describe physical dimensions or abstract durations.
  • Often paired with units of measurement like meters or centimeters.

Overview

  1. 1概览:“长度”是一个基础名词,指代物体在直线方向上的量度。它是描述物体物理属性的核心词汇之一。2) 使用模式:在句子中,“长度”通常与表示测量单位的词(如米、厘米)或形容词(如长、短)搭配。例如,“这条绳子的长度是两米”。3) 常见语境:它广泛应用于数学(计算线段长度)、建筑(测量建筑物的跨度)、日常购物(布料、绳索的购买)以及抽象概念(如文章或演讲的长度)。4) 近义词辨析:与“长短”相比,“长度”更侧重于具体的数值或客观属性,而“长短”有时带有评价性质或指代整体状况。与“距离”相比,“长度”通常指物体本身的延展度,而“距离”则指两点之间的空间跨度。

مثال‌ها

1

这条绳子的长度是五米。

everyday

The length of this rope is five meters.

2

请测量一下该零件的长度。

formal

Please measure the length of this component.

3

头发的长度刚好到肩膀。

informal

The hair length is just up to the shoulders.

4

该研究论文的长度限制为五千字。

academic

The length limit for this research paper is 5,000 words.

ترکیب‌های رایج

长度单位 Unit of length
测量长度 Measure the length
增加长度 Increase the length

عبارات رایج

全长

Total length

定长

Fixed length

اغلب اشتباه گرفته می‌شود با

长度 vs 距离

Distance refers to the space between two separate points or places, whereas length refers to the dimension of a single object.

الگوهای دستوری

某物的长度是[数量] 测量[某物]的长度 [某物]的长度为[数量]

How to Use It

نکات کاربردی

The word '长度' is neutral and can be used in both formal and informal settings. It is the standard term for physical measurement. Avoid using it for abstract concepts like 'distance' between two cities.


اشتباهات رایج

Learners often use '长' (long) as a noun, but '长' is an adjective. Always use '长度' when you need a noun. Also, do not use '长度' to describe the gap between two cities; use '距离' instead.

Tips

💡

Use with measurement units

Always pair '长度' with units like 米 (meters) or 厘米 (centimeters) to make your description precise. It sounds more professional and clear.

⚠️

Don't confuse with distance

Remember that '长度' is for the object itself, while '距离' is for the gap between two points. Using them interchangeably can cause confusion.

🌍

Metric system in China

China uses the metric system exclusively. When discussing '长度', always expect answers in meters, kilometers, or centimeters.

ریشه کلمه

The character '长' historically represents a person with long hair, symbolizing length. '度' refers to measurement or standard, forming the compound for physical dimension.

بافت فرهنگی

In Chinese culture, precise measurements are highly valued in construction and tailoring. '长度' is a fundamental concept taught early in primary school mathematics.

راهنمای حفظ

Think of '长' (long) + '度' (degree/measure) = The degree to which something is long. This formula helps you remember it is a noun.

سوالات متداول

3 سوال

“长度”通常指具体的量度,带有客观性;而“长短”既可以指具体的物理长度,也可以指事物的优劣或整体情况。

你可以问“这个东西有多长?”或者“这个东西的长度是多少?”这两种表达方式都很地道。

不一定。它也可以用于抽象事物,比如“这篇文章的长度”或“会议的长度”,指代持续的时间或篇幅。

خودت رو بسنج

fill blank

这张桌子的___大约是两米。

درسته! نه دقیقاً. پاسخ صحیح: 长度

描述具体物体的物理量度使用“长度”最准确。

امتیاز: /1

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