Polybromohydrocarbon
[化] 多溴烃; 多溴代烃
🗣️ 情景例句
What's inside?
这里面是什么？
Jeffrey was allowed to listen in on the committee's debate.
杰夫里被允许旁听委员会的讨论。
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，