http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
英语
西班牙语
impenetrable [美 ɪmˈpɛnətrəb(ə)l, 英 ɪmˈpɛnɪtrəb(ə)l] 形
1. impenetrable jungle/defenses/darkness:
- impenetrable
- impenetrable
2. impenetrable expression:
- impenetrable
-
- impenetrable
-
3. impenetrable language/subject:
4. impenetrable (incorrigible):
- impenetrable
-
西班牙语
英语
在《PONS词典》中的词汇
英语
西班牙语
impenetrable [ɪmˈpenɪtrəbl] 形
1. impenetrable:
- impenetrable
- impenetrable
2. impenetrable (incomprehensible):
- impenetrable
-
西班牙语
英语
- impenetrable
- impenetrable
在《PONS词典》中的词汇
英语
西班牙语
impenetrable [ɪm·ˈpen·ɪ·trə·bəl] 形
1. impenetrable:
- impenetrable
- impenetrable
2. impenetrable (incomprehensible):
- impenetrable
-
西班牙语
英语
- impenetrable
- impenetrable
无例句可用
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单语范例（未经PONS编辑处理）
It was intended to be impenetrable and could be used for sheltering troops or stores.
en.wikipedia.org Further expeditions by the military in 1883 and 1887 also determined that the mountains were virtually impenetrable.
en.wikipedia.org They constructed massive, impenetrable walls separating their formerly unified kingdoms for all time.
en.wikipedia.org Nobody should know about your movements; try to keep them shrouded in the most impenetrable secrecy.
en.wikipedia.org Along the way, he is enhanced by a regenerative nanotechnology process, which gives him an impenetrable metal body.
en.wikipedia.org