释义
a.一,一个,一只,一件.
例句
1. I don't care what a car looks like as long as it gets me from A to B. 我倒不在乎汽车的样子, 只要能把我从一处载到另一处就行了. 2. Would you do me a favor? 你能帮我一个忙吗？
