1. 替换;取代;代替
    If one thing or person replaces another, the first is used or acts instead of the second.

    e.g. The council tax replaces the poll tax next April.
           市政税在明年4月将取代人头税。
    e.g. ...the city lawyer who replaced Bob as chairman of the company...
           取代鲍勃成为公司主席的市政律师

2. 以…取代;以…接替
    If you replace one thing or person with another, you put something or someone else in their place to do their job.

    e.g. I clean out all the grease and replace it with oil so it works better in very low temperatures...
           我把所有的油脂清除干净，然后用油来代替，从而使它在低温条件下运转得更好。
    e.g. The BBC decided it could not replace her.
           英国广播公司认定那不能取代她。

3. 换下(坏的);以新的替换
    If you replace something that is broken, damaged, or lost, you get a new one to use instead.

    e.g. The shower that we put in a few years back has broken and we cannot afford to replace it.
           我们几年前安装的淋浴器坏了，但买不起新的来换。

4. 把…放回(原处)
    If you replace something, you put it back where it was before.

    e.g. The line went dead. Whitlock replaced the receiver...
           线路中断了，惠特洛克把听筒放回原处。
    e.g. Replace the caps on the bottles.
           把瓶盖重新盖上。