emission
UK/i'miʃən/US/i'miʃәn/
TOEFL六级B1
释义
n.
The release of gas, light, heat, or radiation into the surroundings
排放,散发;发射
n.
A substance, especially a pollutant, that is released
排放物(尤指污染物)
词根拆分
词根派生emit 的名词:e-(出)+ miss(送)+ -ion(动作/结果)。它既指"送出"这个动作(heat emission 热辐射),也指被送出的东西——最常见的是污染物(carbon emissions 碳排放)。
词根 miss 还连着 88 个词常用搭配
- 1.carbon emissions碳排放
- 2.greenhouse gas emissions温室气体排放
- 3.emission control排放控制
- 4.reduce emissions减少排放
例句
- 1.
New rules aim to cut carbon emissions by half.
新规旨在将碳排放量减少一半。
- 2.
The emission of light from the screen strains the eyes.
屏幕发出的光会使眼睛疲劳。