A3
n. A3号纸（尺寸为420×297mm的）
🗣️ 情景例句
OK.
喂。
Misers put their back and their belly into their pockets.
爱财如命。
Even his way of walking down the street and turning a corner could be recognized as his own.
就连他在街上走路和他转过拐角的那姿式都可以看出是他自己独有的。