Pentabromide
五溴化物
🗣️ 情景例句
It is generally believed that Chinese are poor public speakers.
一般认为中国人不擅长公众演讲。
I'm not myself today.
我今天心神不宁。
Can't we visit the High Dam? I've read a lot about it; it's the biggest in the world.
我们不能去参观高坝吗？我已读了很多关于高坝的情况；它是世界上最大的。