Alkylide
烃基化物
🗣️ 情景例句
And I am a hard worker when I have something challenging to do.
并且在遇到挑战性的工作时，我是个很努力的人。
How about on Tuesday afternoon of next week? Is that okay with everyone?
下星期二下午怎样？各位没有意见吧？
He's in bed, doctor.
他在床上呢，医生。