mutation
/mju:ˈteɪʃn; mju`teʃən/ n
(a) [U] change; alteration 变化; 转变; 突变; 变异
(biology 生) mutation of cells 细胞的突变
(linguistics 语言) mutation of sounds 语音的变化
vowel mutation 元音变化.
(b) [C] instance of this 变化; 转变; 突变; 变异
mutations in plants caused by radiation 放射线引起的植物变异.
(c) [C] new organism resulting from such a change; mutant(1) 变种; 突变体; 突变型.