Perchlorethane
[化] 全氯乙烷
🗣️ 情景例句
You had better study hard.
你最好努力学习。
Experience keeps a dear school, but fools learn in no other.
吃亏学乖代价高，笨汉非此学不好。
Then he showed me the contents of the parcel.
接着他给我看了包里的东西。