Pdg
abbr. 超星阅读器文件
🗣️ 情景例句
Is there a limit to how many I can purchase at this price?
我买这种东西在数量上有什么限制吗？
She felt very awkward about the unpleasant situation.
她因不愉快的场面而感到十分困窘。
He gets into the lift. It takes him down to the first floor.
他进入电梯。他乘电梯下到1楼。