常见例句

A cloud is a mass of vapor in the sky.
云是天空中的水汽团。
Chemicals that produce a noxious vapor when mixed.
化学物质混合后会放出有毒气体
Water can be changed into vapor when heated.
水被加热时，可以变成水蒸汽。
A liquid condensed from vapor in distillation.
蒸馏液; 馏出物在蒸馏中，从蒸汽浓缩的液体
Something, such as air or vapor, that is exhaled.
散发物以气体或蒸汽形式发散出的东西
One that condenses, especially an apparatus used to condense vapor.
冷凝器冷凝器具，尤指用于冷却气体的设备