preserve和reserve怎么区别?

preserve&reserve 的区别 preserve reserve的区别 reserve stay maintain preserve 区别 preserve energy和reserve energy reserve,preserve,conserve的详细区别? 大侠～reverse reserve conserve preserve converse 区别? remain maintain retain reserve preserve的详细区别 reserve,conserve,preserve 有什么区别(⊙_⊙) 如何区别protect和preserve reserve和save区别? retain与conserve reserve preserve的区别.后三者间的区别就不用解释了. preserve sb.和protect sb.的区别