Alkyle
[医] 烃基化物
🗣️ 情景例句
I need to post a letter.
我得去寄封信。
When the belly is full the mind is among the maids.
逸则思淫。饱则思淫欲？
I borrowed his copy of the timetable.
于是我借他本人的列车时刻表，