Parachloroacetophenone
对氯苯乙酮
🗣️ 情景例句
What's wrong, Susan?
怎么啦， Susan？
How much is this rug?
这条地毯多少钱？
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，