Pdb
abbr. 临时区议会；物理数据库
🗣️ 情景例句
That's what I thought.
我也正这样想。
When I had a rest, what were you doing?
当我休息时，你在做什么？
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。