Polybromination
多溴化反应
🗣️ 情景例句
Harry, what would you like? Harry
你要什么？
You'll fall, if you don't take care.
你不专心的话，就会跌倒。
At meal times the odour of sauerkraut vies with that of garlic.
用饭的时候，德国泡菜味和大蒜味争相散发，