Dibromoacetone
二溴丙酮
🗣️ 情景例句
There's nothing you can do about it.
你对此无能为力。
OK. We have a nonstop flight leaving Kennedy at 9:25.
好的。9点25分有一趟直达班机，从肯尼迪国际机场起飞。
Are you making progress?
有进展吗？