When your exhaust pipe falls off, you have to replace it.

当你的排气管脱落时，你只能更换它。

《柯林斯英汉双解大词典》

You can swap out one system and replace it with another.

您可以交换一个系统并且用其它的系统替换它。

youdao

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，但没钱换新的。

《柯林斯英汉双解大词典》

Other plants take nitrogen out of the soil, but beans and other legumes replace it.

VOA: special.2009.03.24

They thought, for example, if you could do something with one element, if you looked at an element very close to it, it would be similar enough that you could maybe replace it with that.

他们认为，比如，用一种元素可以做的，用它邻近的元素，代替它的位置,也应该能做到。

麻省理工公开课 - 化学原理课程节选

Take the fattest marking pen you have, scratch that out and replace it with atomic hydrogen.

用你最粗的笔把它划掉，再用氢原子代替它。

麻省理工公开课 - 固态化学导论课程节选

And if you want to replace it with something, then who's going to replace it?

NPR: U.S. Non-Intervention In Syria Could Mirror Outcome In Congo

AARP's line is that any private accounts should supplement Social Security, not replace it, even partially.

ECONOMIST: The baby-boomers retire

Eliminate the IRS and replace it with a flat tax paid by everyone on every purchase.

FORBES: Guest Post: Term Limits and the Economy