mutable
adjective formal uk/ˈmjuː.tə.bəl/ us/ˈmjuː.t̬ə.bəl/
可变的；会变的
able or likely to change
the mutable nature of love 爱情的多变本质
Language is not static, it is mutable. 语言不是静止，是会变化的。
Synonym: changeable
Opposites: changeless immutable