A4
n. A4型纸（规格为297×210毫米的纸）
🗣️ 情景例句
We are looking forward to our holidays.
我们盼望着假期的到来。
Her life was devoted to caring for the sick and needy.
她一生致力于照顾病人和穷人。
When I got to the theatre I found that they had sold all the tickets.
我到剧院时，发现所有的票都售完了。