Pentabromoacetone
[化] 五溴丙酮
🗣️ 情景例句
In fact, that is the reason why I'm here to see you.
事实上 这是我来见你的原因。
I'm easy to please.
我很随和。
No, not very. You need a driving permit. Have you got one?
不，不很贵。你需要一个驾驶执照。你有没有？