Vapour density
蒸汽密度
🧩 词语组成解析
vapour
['vepɚ]
n. 潮气，水汽;蒸汽（等于vapor）;
adj. 蒸发的，自夸的;
🗣️ 情景例句
He's got 20/20 vision.
他的视力很正常。
It's no trouble at all. I'll carry this suitcase for you.
一点也不麻烦，我来替你提这只箱子。
What's wrong with you?
你怎么回事？