Imperf
abbr. imperfect 有缺点的; imperforate 无孔的
🗣️ 情景例句
I've just been robbed. What should I do?
我刚刚被抢劫了，现在不知道该怎么办？
We'll exchange presents.
我们要交换礼物。
How long have you been at this school?
你到这学校有多么时间了？