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

Water vapour condenses to form clouds
水蒸气凝结形成云。
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。
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。
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。
This light can be used to illuminate a glass bulb containing sodium vapour.
可以用这种光来照射一个含有钠蒸气的玻璃泡。
Water vapour and clouds are the primary variables modulating direct solar absorption.
水汽和云是调节直接太阳吸收的主要要素。
The glass tank contains hot mercury vapour.
那个玻璃容器里盛放的是热的水银蒸汽。
Water, vapour, cloud and snow.
水，水汽，云彩和雪。
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。
Vapour can be changed into liquid by cooling.
蒸气可以通过冷却变成液体。