我妈妈曾在公共汽车站等汽车 用英文翻译
问题描述：
我妈妈曾在公共汽车站等汽车 用英文翻译
答
My mother once waited for a bus at the bus station.
答
My mother has been waiting for a bus at the bus stop.
答
My mother used to wait for bus in bus-stop
答
My mother was waiting for bus at a bus-station.