Polybromide
多溴化合物
🗣️ 情景例句
No ... thank you.
不……谢谢你。
It's a beautiful country with scenic mountain areas.
这个国家很美，它有很多景色宜人的山区。
the king himself set out to penetrate the camp of Guthrum, the commander of the Danish invaders.
他亲自潜入丹麦入侵司令官古瑟罗姆的营地。