Pentachlorization
五氯化作用
🗣️ 情景例句
Mike and I had a hamburger this afternoon, and we talked.
今天下午 Mike和我一起吃汉堡， 一起讨论。
I cannot afford two days off a week.
我忙得无法一星期抽出两天休假。
No!We're alone here. We're all by ourselves, said Jim. Isn't that great?
“没有！就我们在这儿。就我们这伙人，”吉姆说，“这不是很好吗？”