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

And water vapour is green house gas.
水蒸气就相当于温室气体。
Water is turned into vapour.
水被加热以后，就变成了水蒸汽。
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。
They fill the container with pure air made by evaporating liquid nitrogen and liquid oxygen, and add water vapour and some trace gases.
他们往云室里填充了由液态氮和液态氧经气化后制成的纯净空气，并添加了水汽和一些痕量气体。
A cloud is a condensation of water vapour in the atmosphere.
云是由大气中的水蒸气凝结成的。
Vapour lamps can be used since they produce light of different characteristic wavelengths.
可以采用汽灯，因为此种灯能产生具有不同特征波长的光。
Water, vapour, cloud and snow.
水，水汽，云彩和雪。
Water vapour condenses to form clouds
水蒸气凝结形成云。
Vapour can be changed into liquid by cooling.
蒸气可以通过冷却变成液体。
A liquid fuel which easily evaporates and turns into vapour is called "volatile".
易于蒸发和变成气体的液体燃料叫作挥发性燃料。