( <美> vapor)
mass noun
1- a substance diffused or suspended in the air, especially one normally liquid or solid蒸汽; 汽; 雾：
dense clouds of smoke and toxic vapour
成团的浓厚烟尘与有毒汽雾
count noun petrol vapours石油蒸气。
1.1
- count noun Physics a gaseous substance that is below its critical temperature, and can therefore be liquefied by pressure alone【物】汽。比较GAS.
1.2
the vapours
dated a sudden feeling of faintness or nervousness or a state of depression〈旧〉突然的昏厥感; 突然的紧张感; 癔病性忧郁。
no obj.
- talk in a vacuous, boasting, or pompous way吹牛; 吹嘘; 自夸：
he was vapouring on about the days of his youth.
他不停吹嘘自己年青岁月。
派生词
vaporous
adjectivevaporousness
nounvapourish
adjective （archaic 〈古〉）vapoury
adjective词源
late Middle English: from Old French, or from Latin vapor 'steam, heat'. The current verb sense dates from the early 17th cent.