Fluobenzene
氟(代)苯
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
How will we know whether it can have a positive effect on the company?
我们怎么会知道它对公司能有积极的效果呢？
I suggest you take a tent.
我建议你带上一个帐篷。