A3
n. A3号纸（尺寸为420×297mm的）
🗣️ 情景例句
I just stopped by to say hello.
我只是顺路过来问个好。
Could I have your latest catalogues or something that tells me about your company?
可以给我一些贵公司最近的商品价格目录表或者一些有关说明资料吗？
First of all, don't come in here without a teacher.
首先，没有老师领着不要进这儿。