A4
n. A4型纸（规格为297×210毫米的纸）
🗣️ 情景例句
Where are we going to be?
我们会在哪儿？
Love sought is good, but given unsought is better.
追求而得的爱情固然美好，但不经追求而得的爱情更为美好。
This time, the policeman lost his temper.
这一次警察火了。