Cornstone
n. [地]玉米灰岩
🗣️ 情景例句
the girl he was in love with in college married someone else.
他大学时代所爱的女孩跟别人结婚了。
What does he do?
他是干什么的？
I learnt to drive in four weeks。
我四个星期就学会了开车。