vapors
n.
水汽，水蒸气，无实质之物( vapor的名词复数 );
自夸者;
幻想 [药]吸入剂 [古]忧郁（症）;
v.
自夸，（使）蒸发( vapor的第三人称单数 );
例句:
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His emotions became vague and shifted about like vapors.
他的心情则如同一团雾气,变幻无常,捉摸不定.
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They have hysterics, they weep, they have the vapors.
他们歇斯底里, 他们哭泣, 他们精神忧郁.
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What amazing vapors a lonely man may get into his head!
一个寂寞的人脑子里会生成多么令人惊异的幻想 啊 !
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Charley's nostrils tingled from the vapors.
来自C. Buckley
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The enclosure features a direct vent to carry battery vapors outside the airplane.
来自WSJ
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Wilson discovered that certain subatomic particles leave visible trails when they pass through supersaturated vapors.
来自SA