unsurmountable
英 [ʌnsɜ:'maʊntəbl]
美 [ʌnsɜ'maʊntəbl]
- adj. 不能克服的；不能超越的
英语词源
- unsurmountable (adj.)
- "incapable of being overcome," 1701, from un- (1) "not" + surmountable.