oncetotwice和onceortwice有区别为
oncetotwice释义:
一次到两次
例句:
Start with every other day, then gradually back off to once to twice weekly.
开始时,每隔一天一次,然后渐渐的改为一周一到两次。
onceortwice释义
一两次, 偶尔
双语例句
全部
1、
I popped my head round the door once or twice.
我有几次头撞到了门上。来自柯林斯例句
2、
Turn the shanks and baste them once or twice as they cook.
将小腿肉翻一下,烹调时在上面抹一两次油。