once or twice a week

once or twice a week 基本解释

一周一到两次

once or twice a week 用法和例句

1、The family were able to visit him once or twice a week.

家人一周能看望他两三次。

2、Place, and look at your accounts online at least once or twice a week.

并且至少每周察看一两次网上帐户。

重点词汇

once adv. 一次，一趟；一倍；曾经；一旦 conj. 一旦…就…；一经 n. 一次，一回

twice adv. 两次；两倍；兼

week n. 一星期，周；工作周（一个星期中的工作时间）