once or twice

汉语翻译

例句：

1. The American housewife probably goes shopping only once or twice a week.
   美国家庭主妇可能一星期只购物一、二次。
2. She referred to it once or twice.
   这一点她提到了一两次。
3. Mary comes around to see her parents once or twice a week.
   玛丽每星期来看她的父母亲一两次。
4. I don't know the place well, I've only been there once or twice.
   我对那地方不大熟悉，只去过一两次。