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.
推荐单词
- self-interest
- self-justification
- self-involved
- self-incrimination
- self-inflict
- self-indulgent
- self-indulgence
- self-improvement
- self-important
- self-immolation
- self-help
- self-government
- self-image
- self-glorification
- self-examination
- self-explanatory
- self-evident
- self-esteem
- self-effacing
- self-educated
- self-discipline
- self-determination
- self-destruct
- self-deprecation