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。