Perchlorethane
[化] 全氯乙烷
🗣️ 情景例句
I'll get it. Hello.
我去开门。哈啰。
I do feel mad about making that stupid mistake.
我犯了那个愚蠢的错误确实懊恼不已。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。