Isovalerate
异戊酸
🗣️ 情景例句
You must be green to believe that!
你真幼稚，竟然相信那个。
All of those men are friends of mine.
那些人的都是我的朋友。
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，