usedto后加什么?
used to
modal (用于过去持续或经常发生的事)曾经,用于
This formula is used to calculate the area of a circle.
这个公式用于计算圆的面积。
It\'s very different to what I\'m used to.
这与我所习惯的大不相同。
We\'re used to the noise from the traffic now.
现在我们已经适应车辆往来的噪音了。
All I know is that she used to work in a bank.
我只知道她曾在银行工作过。