Hydrohalogenation
氢卤化作用, 加上卤化氢
🗣️ 情景例句
In what section can I find mouthwash?
我在哪个购物区能找到漱口水呢？
Can't you hear me?
你听不到我说的话吗？
You had it when I last saw you.
我上次见你时你还有的。