inconvertible
/ˌɪnkənˈvɜːtəbl/adjective
1- not able to be changed in form, function, or character（在形态、功能或特性上）不可变换的。
1.1
- (of currency) not able to be converted into another form on demand（货币）非自由兑换的。
派生词
inconvertibility
nouninconvertibly
adverb词源
mid 17th cent.: from French， or from late Latin inconvertibilis, from in- 'not' + convertibilis （see CONVERTIBLE）.