Word · Frequency #15873
kilogram
千克；公斤
kilogram
- 1.
In the International System of Units, the base unit of mass; conceived of as the mass of one litre of water, but now defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10−34 when expressed in units of kg⋅m2⋅s−1. Symbol: kg
- 2.
one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites
一千克；国际单位制采用的基本质量单位
一千克；国际单位制采用的基本质量单位；千克；公斤；[医] 千克；公斤
In use
The package weighs about one kilogram, so the shipping cost should be low.
She bought two kilograms of apples at the market.
To make this cake, you need exactly half a kilogram of flour.
a kilogram is approximately 2.2 pounds
a kilogram of + [noun]
a kilogram of 后接物质名词或复数可数名词，表示重量。
I bought a kilogram of apples.
我买了一公斤苹果。
weigh + [number] + kilograms
千克是可数名词，数字后通常用复数 kilograms。
The package weighs two kilograms.
这个包裹重两公斤。
per kilogram
Connections
Collocations
- a kilogram of
- 一公斤的
- I bought a kilogram of apples at the market.我在市场上买了一公斤苹果。
- per kilogram
- 每公斤
- The shop charges 30 yuan per kilogram for oranges.这家店的橙子每公斤30元。
- weigh a kilogram
- 重一公斤
- This bag weighs a kilogram.这个包重一公斤。
- half a kilogram
- 半公斤
- She added half a kilogram of flour to the mixture.她往混合物里加了半公斤面粉。
- kilogram weight
- 一公斤重的物体；公斤砝码
- The gym has a set of kilogram weights.健身房有一组公斤级的杠铃片。
Synonyms
Learner notes
Memory Tip
kilo 就是“千”，gram 就是“克”；一千克正好一公斤，想象一升水的重量。
Context & Register
语域：neutral 常见场景：科学计量、日常购物、烹饪 kilogram 是公制基本质量单位，多用于正式文件、科学场合及日常购物；整体语气中性，正式和非正式语境都常见。
Pronunciation & Spelling
All listed words end in /-ɡræm/ and rhyme with the final stressed syllable of 'kilogram' (/-ˌɡræm/). They share the exact spelling '-gram'. Beware of lookalikes like 'kilometer' or 'kiloliter': they share the prefix 'kilo-' but have unrelated endings and do NOT rhyme.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.