Chlroacetophenone
[机] 氯乙酰苯
🗣️ 情景例句
you have a lunch appointment with Mr. Levine,
跟Levine先生约好吃午餐。
Will you please lock the door when you leave?
请您当你离开时，锁门？
The salvage operation had been a complete failure.
打捞工作彻底失败了。