A3
n. A3号纸（尺寸为420×297mm的）
🗣️ 情景例句
Well, Miss Huang, we are planning to have a casual get-together.
嗯，黄小姐，我们打算大家小聚一番。
I don't like wearing the uniform.
我不喜欢穿制服。
Sure. We were in the same class.
当然认识。我们同班呢。