一定量

yídìngliàng

phrase #36,990

Meanings

1 a certain amount; a fixed quantity
2 a given quantity

Characters

quantity / amount

Examples

每天需要摄入一定量的蛋白质。

Měi tiān xūyào shèrù yídìngliàng de dànbáizhì.

You need to take in a certain amount of protein every day.

实验中加入一定量的盐。

Shíyàn zhōng jiārù yídìngliàng de yán.

Add a fixed quantity of salt to the experiment.

工厂每月生产一定量的产品。

Gōngchǎng měi yuè shēngchǎn yídìngliàng de chǎnpǐn.

The factory produces a fixed amount of product each month.

Tips

grammar

Note the tone-sandhi pinyin: 一 reads as yí before the 4th tone in 一定 (yídìng). 一定量 is almost always followed by 的 + noun, like 一定量的水 'a certain amount of water', and is more formal than 一些 'some' or 一点儿 'a bit'. It's typical of scientific, technical, and instructional writing.

Stroke Order

一 yī

定 dìng

量 liàng