Parabromoacetophenone
对溴苯乙酮
🗣️ 情景例句
Use your head.
动动你的大脑。
If it hadn't been for your help, we would never have finished it.
如果没有你的帮助，我们永远完不成任务。
You should learn these words by heart.
你应该把这些词背熟。