置换
近义词与同义词
按词义分组列出，使用时请结合具体语境。
complete change in character or condition; "the permutations...taking place in the physical world"- Henry Miller
(chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound
基本解释
1.替换。
2.化学名词。指一种元素把某种化合物中的其他元素替换出来﹐如镁和硫酸铜作用而置换出铜。