Alkene
[ ['ælki:n] ]
高中 Senior High
n. [化]烯烃,链烯
🗣️ 情景例句
I am unfamiliar with law.
我对法律不熟悉。
Absolutely right.
绝对正确。
Kate has covered it with Christmas lights.
凯特给它挂上了圣诞彩灯。