The millimeter is a fundamental metric unit for measuring small lengths precisely.
Palabra en 30 segundos
- A standard metric unit of length.
- Equal to one-thousandth of a meter.
- Commonly used for precise small-scale measurements.
Overview
- 1概述：毫米（millimeter）是国际单位制中的长度单位，是米（meter）的千分之一。在日常生活中，它是测量物体长度、厚度或直径最常用的单位之一。2) 使用场景：毫米通常用于精密测量，比如测量纸张的厚度、电子零件的大小、或者建筑图纸中的细节尺寸。在中文表达中，毫米常与数字连用，例如“5毫米”。3) 常见语境：在学校教育中，学生通过直尺学习毫米，了解其与厘米（cm）的换算关系（1厘米=10毫米）。在工业制造和工程领域，毫米是标准的基础测量单位。4) 近义词辨析：毫米与微米（micrometer）相比，毫米更大；与厘米（centimeter）相比，厘米是毫米的10倍。在口语中，人们有时会直接说“毫米”，在非正式场合也可能用“公厘”来指代，但“毫米”是最标准的用法。
Ejemplos
这只蚂蚁大约有5毫米长。
everydayThis ant is about 5 millimeters long.
工程图纸上的误差不得超过1毫米。
formalThe error on the engineering drawing must not exceed 1 millimeter.
把那个小零件剪掉2毫米。
informalCut 2 millimeters off that small part.
降雨量以毫米为单位进行测量。
academicRainfall is measured in millimeters.
Colocaciones comunes
Frases Comunes
毫米级
millimeter-level
差之毫厘
a tiny difference (idiom)
Se confunde a menudo con
A centimeter is 10 millimeters. It is a larger unit often used for measuring body parts or small objects.
A micrometer is one-thousandth of a millimeter. It is used for microscopic scales.
Patrones gramaticales
How to Use It
Notas de uso
Millimeter is a standard unit used in both formal scientific contexts and casual daily conversation. It is universally understood in countries using the metric system. No special register is required to use this word.
Errores comunes
Learners often confuse 'millimeter' with 'milliliter' because of the 'milli-' prefix. Remember that 'meter' refers to length while 'liter' refers to volume. Always double-check the suffix to avoid confusion.
Tips
Use a ruler for visualization
Look at a standard plastic ruler. The smallest tick marks usually represent one millimeter.
Do not confuse with centimeters
Always check if the measurement requires cm or mm. Mixing them up can lead to a tenfold error.
Metric system dominance
The metric system is used globally in science and daily life. Understanding 'millimeter' is essential for international communication.
Origen de la palabra
The word is derived from the French 'millimètre', combining 'milli-' (thousandth) and 'mètre' (measure). It was introduced during the French Revolution to create a standardized global measurement system.
Contexto cultural
The millimeter is the backbone of the metric system, which is the standard in almost every country except the US. It plays a crucial role in international trade and scientific collaboration.
Truco para recordar
Think of 'milli' as a 'millionth' of a kilometer or 'thousandth' of a meter. Imagine a tiny ant that is exactly one millimeter long.
Preguntas frecuentes
4 preguntas1厘米等于10毫米。这是长度单位换算中最基础的知识点。
在口语中，人们通常直接说“毫米”。有时为了简洁，在测量语境下也会直接说数字加单位，例如“三毫米”。
毫米比微米大。1毫米等于1000微米。
“毫”在中文里代表千分之一，所以“毫米”直译就是千分之一米。
Ponte a prueba
这张纸的厚度大约只有0.1___。
纸张非常薄，通常用毫米来衡量其厚度。
5厘米等于多少毫米？
1厘米=10毫米，所以5厘米=50毫米。
这颗螺丝的直径是8___。
螺丝是很小的零件，直径应使用毫米作为单位。
Puntuación: /3
Summary
The millimeter is a fundamental metric unit for measuring small lengths precisely.
- A standard metric unit of length.
- Equal to one-thousandth of a meter.
- Commonly used for precise small-scale measurements.
Use a ruler for visualization
Look at a standard plastic ruler. The smallest tick marks usually represent one millimeter.
Do not confuse with centimeters
Always check if the measurement requires cm or mm. Mixing them up can lead to a tenfold error.
Metric system dominance
The metric system is used globally in science and daily life. Understanding 'millimeter' is essential for international communication.
Ejemplos
4 de 4这只蚂蚁大约有5毫米长。
This ant is about 5 millimeters long.
工程图纸上的误差不得超过1毫米。
The error on the engineering drawing must not exceed 1 millimeter.
把那个小零件剪掉2毫米。
Cut 2 millimeters off that small part.
降雨量以毫米为单位进行测量。
Rainfall is measured in millimeters.
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Vocabulario relacionado
Más palabras de general
一下儿
A1a bit, a moment
点儿
A1a little bit
有点儿
A1a little, somewhat (negative connotation)
一下
A2A bit; a moment (used after a verb).
异样
B1different; unusual; strange
关于
A1about, concerning
快要
A2to be about to (happen)
大约
B1Used to show that a number or amount is not exact; approximately.
上边
A2above, on top
上面
A1on, above, over
