Polyhalogenation
多卤化反应
🗣️ 情景例句
It has a brand new kitchen.
有一个全新的厨房。
Aren't you relieved that your puppy was finally found?
你的小狗终于找回来了，你应该安心了吧？
Take a hike!
哪儿凉快哪儿歇着去吧。