变种
近义词与同义词
按词义分组列出，使用时请结合具体语境。
something a little different from others of the same type; "an experimental version of the night fighter"; "a variant of the same word"; "an emery wheel is the modern variation of a grindstone"; "the boy is a younger edition of his father"
(genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism