Polybromide
多溴化合物
🗣️ 情景例句
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
There is no fool like an old fool.
老年荒唐无法可想。
Then she introduced us to Carlos and told us they would get married next week'.
然后她把我们介绍给卡洛斯，并告诉我们说他们下星期结婚。”