emission

i'miʃәn

六级托福 Collins 2

n. the act of emitting; causing to flow forth
n. the release of electrons from parent atoms
n. the occurrence of a flow of water (as from a pipe)

n. 发射, 射出, 发行
[医] 发射, 遗精

Collins 星级

3,483

BNC 频率

2,915

使用频率

emission 由前缀 e-（表示向外）和词根 miss（表示送出）组合而成，表示“放出、排放”。

例句

1. The car's emission levels must meet government standards.

这辆车的排放水平必须符合政府标准。

2. Scientists are studying the emission of greenhouse gases from factories.

科学家们正在研究工厂温室气体的排放。

3. Reducing carbon emission is crucial for combating climate change.

减少碳排放对抗击气候变化至关重要。