A3
n. A3号纸（尺寸为420×297mm的）
🗣️ 情景例句
He'd been two-timing me for months.
他另有所爱，多少个月来一直在瞒着我。
Now that I have to stand up to introduce myself.
我不得不站起来介绍一下我自己。
'I don't know,' I answered, 'Tommy's been to the toilet three times this morning, but I haven't had any change yet!'
“我不知道”，我回答说，“今天上午汤米去了3次厕所了，但我还没看到硬币！”