Pentabromoacetone
[化] 五溴丙酮
🗣️ 情景例句
It is! She's having pains a minute apart!
是啊。她隔一分钟就会痛呀。
When will he come to see you?
他什么时候来看你？
Yes. I have everything ready here.
是的。我把一切都准备好了。