Health experts say adults should drink about two liters of water a day to replace all the water lost in liquid wastes and perspiration.

VOA: special.2010.07.27

How do I rea-- replace the expression FOR t of n minus 1? Substitute it in again.

我们怎么来代替t这个表达式呢？,再来替换掉它，t等于。

麻省理工公开课 - 计算机科学及编程导论课程节选

The idea is to replace some of the portland cement traditionally used in making concrete.

VOA: special.2009.12.01

At the summit, the two sides agreed on the basic terms of a treaty to replace the START-One accord that expires in early December.

VOA: standard.2009.07.15

Allegations of marital infidelity have livened up the governor's race in South Carolina, where a field of Democrats and Republicans is vying to replace Republican Governor Mark Sanford.

VOA: standard.2010.06.08

The winner of the presidential election will replace President Valdas Adamkus who is stepping down in July after completing a second and final five-year term Analysts say Lithuania's main political parties and politicians are widely disliked because of the current economic downturn, and their reputations have been overshadowed by corruption allegations.

VOA: standard.2009.05.17