Polybromide
多溴化合物
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
I don't believe he will get to the station on time.
我不相信他会准时到车站。
deprived of one of the greatest twentieth-century opportunities.
被剥夺了20世纪最优越的机会之一。