A3
n. A3号纸（尺寸为420×297mm的）
🗣️ 情景例句
Under those terms, we can accept it.
如果那些条款没问题，我们可以接受。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
After a time, we noticed a snake charmer with two large baskets at the other side of the square,
过了一会儿，我们注意到广场的那一边有一个带着两个大筐的耍蛇人，