Vapours
n. 潮气, 水汽( vapour的复数形式 ); 蒸汽
🗣️ 情景例句
We've known each other since we were children.
我们从小就认识。
Every man has his hobby-horse.
人各有所好。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，