A3
n. A3号纸（尺寸为420×297mm的）
🗣️ 情景例句
Yes, I can have a break from all this tired work in the office.
好哇，这样我就可以暂时忘却累人的工作了。
Jest with an ass and he will flap you in the face with his tail.
你跟驴子开玩笑，将被驴尾打耳光。
Not at all! Please sit down, Mr. Green. Would you like a cup of tea?
没关系！请坐，格林先生。你喝茶吗？