Polybromide
多溴化合物
🗣️ 情景例句
it's a graduation party for me.
这是为我毕业所办的派对。
We can go faster than yesterday, I guess.
我想我们可能比昨天走得远。
Don't touch anything unless your teacher tells you to.
除非老师允许，否则你不要动任何东西。