音标:['veipә] ;
n. 汽, 蒸气
vi. 蒸发
vt. 使蒸发
n. a visible suspension in the air of particles of some substance
词型变化:名词复数形式 : vapors
考试类型:[托福]
词性分布:
名词100%

vapor的用法和样例:

例句

用作名词(n.)
  1. The locomotive vomits out vapor when getting started.火车头启动时喷出大量蒸汽。
  2. A cloud is a mass of vapor in the sky.云是天空中的水汽团。
  3. Warm air can contain more water vapor than cold air.热空气要较冷空气容纳更多的水蒸汽。
用作动词(v.)
  1. Topically, 1 pound of steam can be used to generate a little less than 1 pound of vapor through evaporation.总体来说一磅的水通过蒸发可以产生不到一磅的蒸汽。
  2. They manipulate the water in the xylem under negative pressure -- what's called a metastable liquid state -- right on the verge of becoming a vapor.但木质部通道的两端都结合有带微孔的膜,这些孔能够阻碍通道中的水超越其表面张力,发生蒸发。
  3. Water vapors in the hot sun.水在炎热的阳光下汽化。

词汇搭配

  • vapor lock气阻,气封
  • vapor trail(飞机的)水汽尾迹...
  • vapor pressure蒸气压力,水汽压...
  • water vapor水蒸汽
  • unsaturated vapor末饱和蒸汽,不饱和蒸...
  • vapor tension蒸气压
  • vapor galvanizing汽化镀锌
  • vapor extractor抽汽器
  • vapor scrubber蒸气清洗装置...
  • vapor concentration水汽浓度
  • vapor state汽态
  • vapor bubble蒸汽泡
  • vapor barrier蒸气防护栅
  • vapor separator蒸汽分离器
  • vapor eliminator蒸汽分离器
  • oil vapor油蒸汽
  • vapor phase气相
  • saturated vapor饱和蒸汽,饱和水蒸汽...
  • vapor density蒸汽密度
  • superheated vapor过热蒸气,过热蒸汽...
【近义词】

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