Word · Frequency #15873
kilogram
千克；公斤
核心释义
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.
一千克；国际单位制采用的基本质量单位
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；千克；公斤；[医] 千克；公斤
用法In use
The package weighs about one kilogram, so the shipping cost should be low.
用法提示：这里用名词 kilogram 表示重量单位“千克”。
She bought two kilograms of apples at the market.
用法提示：kilograms 是 kilogram 的复数形式，表示“公斤”。
To make this cake, you need exactly half a kilogram of flour.
用法提示：kilogram 在这里作计量单位，用于说明所需面粉的重量。
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
相关词与表达Connections
搭配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
学习提示Learner notes
记忆技巧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。
语境与语域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。
发音与拼写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.
高价值词汇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。
用法优先级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。
Dictionary facts from ECDICT, WIKTIONARY.