Halimide
[化] 氯化对十二烷基苄三甲铵
🗣️ 情景例句
That's five points.
五分。
Why are you so mean? I've never done anything to you.
凶什么凶？ 我又没得罪你。
It was not yet light, so it was easy to stay hidden.
天还没亮，所以很容易隐蔽。