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

I'll replace the ideal gas law for those two T's.

用理想气体定律代进去。

麻省理工公开课 - 热力学与动力学课程节选

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