unpenetrable
[物] 不能穿入的
英文词源
unpenetrable (adj.)
c. 1400, from un- (1) "not" + penetrable (adj.). The usual word now is impenetrable.
带unpenetrable字词语
带unpenetrable字成语
[物] 不能穿入的
unpenetrable (adj.)
c. 1400, from un- (1) "not" + penetrable (adj.). The usual word now is impenetrable.