U C 潮气,水汽 moisture or other substance spread about or hanging the air
U 蒸汽 gaseous form into which certain liquid or solid substances can be converted by heating
词汇搭配
介词+～
fly〔pass〕 off in vapour 化为蒸汽消散,蒸发
change〔convert〕 into vapour 把…变成蒸汽
句型例句
A cloud is a mass of vapour in the sky.云是天空中的水汽团块。
Strange vapours burst out of the factory during the accident.事故发生的时候,有奇怪的水汽从工厂里喷出来。
The glass tank contains hot mercury vapour.那个玻璃容器里盛放的是热的水银蒸汽。
