Pentabromide
五溴化物
🗣️ 情景例句
At least we are not the only ones facing these problems.
至少不光是我们面临这样的问题。
What's the rate for a station wagon?
租一辆客货两用轿车要多少钱？
OK, Mum. I'll get it.
好的，妈妈。我来接。