vapour

英 [ˈveɪpə(r)]

美 [ˈveɪpər]

n. 蒸气; 潮气; 雾气

复数：vapours　现在分词：vapouring　

Collins.1 / BNC.7949

牛津词典

noun

蒸气；潮气；雾气
a mass of very small drops of liquid in the air, for example steam
1. water vapour
  水蒸气

in AM, use 美国英语用 vapor

N-VAR 水汽;蒸汽;潮气
Vapourconsists of tiny drops of water or other liquids in the air, which appear as mist.
1. ...water vapour.
  水蒸气

noun

the process of becoming a vapor
Synonym:vaporizationvaporisationvaporevaporation
a visible suspension in the air of particles of some substance
Synonym:vapor

When nitric acid is poured on copper, a Brown vapour gives off.
将硝酸倒在铜上，会散发出一种棕色的蒸气。
The glass tank contains hot mercury vapour.
那个玻璃容器里盛放的是热的水银蒸汽。
The mechanism of vapour dewatering is described and its research state is presented in details.
文中介绍了蒸汽脱水的机理，并较详细介绍了蒸汽脱水的研究状况。
Such particles act as nuclei for the condensation of water vapour into the droplets of which clouds are composed.
这些颗粒在水蒸气凝聚成水滴并进一步合成为云层的过程中充当核心成分。
A cloud is a mass of vapour in the sky.
云是天空中的水汽团块。
The vapour of the chlorine and iodo compounds in particular, can be toxic.
氯和碘的化合物的蒸气是有毒的。
And water vapour is green house gas.
水蒸气就相当于温室气体。
This intense radiation would unavoidably have freed oxygen by decomposing the water vapour and carbon dioxide in the atmosphere.
这种强烈的紫外线辐射，将不可避免地通过分解大气中的水蒸汽和二氧化碳来释放出氧气。
If it were not for the vapour in the air, there would be no dew.
如果空气中没有水气，就没有露水。
Water vapour condenses to form clouds
水蒸气凝结形成云。