Impenetrable
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[编辑] 解释
[编辑] GRE 红宝书
- adj. 不能穿透的; 不可理解的
- ［英］ adj. 不能穿透的 ( that cannot be penetrated) ; 不可理解的 ( unfathomable; inscrutable)
- ［记］ im ( 不) +penetrable ( 可刺穿的) -> 不可穿透的
[编辑] Webster Collegiate
adjective
- Etymology: Middle English impenetrabel, from Middle French impenetrable, from Latin impenetrabilis, from in- + penetrabilis penetrable
- Date: 15th century
- 1.
- a. incapable of being penetrated or pierced
- b. inaccessible to knowledge, reason, or sympathy ; impervious
- 2. incapable of being comprehended ; inscrutable
- ? impenetrably adverb
