1. a light source consisting of a tube coated on the inside with a fluorescent material; mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material. 
   一种由内部涂上荧光材料的电子管构成的光源；管内的水银蒸汽能发出在荧光材料作用下变成可见光辐射的紫外线。
2. To change into vapor. 
   蒸发，挥发转变成气体
3. To give off vapor. 
   放出蒸汽
4. exude water vapor; of plants. 
   使植物发散出水蒸气。
5. Producing or turning to vapor. 
   形成蒸气的产生或变成蒸汽的

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• 1. 蒸发器蒸汽源
  vapor reaction method 汽相反应法...vapor source 蒸发器蒸汽源...vaporization 蒸发
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