A3
n. A3号纸（尺寸为420×297mm的）
🗣️ 情景例句
Sir, Mr. Bennings is here to see you.
先生，本宁先生来这儿见你。
What does she mean by canceling her performance?
她取消自己的演出是什么意思？
No, half of it is for our wheaten plant.
不，有一半要送到我们的惠顿厂。