impenetrable的近义词/同义词有：obscure, unintelligible, vague, unclear, inaccessible, impassable, unapproachable, dense, inaccessible, unclear, unapproachable, dense, vague, abstruse, unintelligible, obscure, deep, enigmatic, imp...

The language of this document would be impenetrable to anyone except a specialist.除了专家,其他任何人都看不懂这份文件....the Caucasus range, an almost impenetrable barrier between Europe and Asia.高加索山脉,几乎难以穿越的欧亚屏障His books are notoriousl...

Their jargon is impenetrable to an outsider.他们的行话外人听不懂。I find his style somewhat impenetrable.我发现他的行为方式令人颇为费解.The language of this document would be impenetrable to anyone except a specialist.除了专家,其他任何人都看不懂这份文件....

impenetrable的音标：impenetrable的英式发音音标为：[ɪm'penɪtrəbl]impenetrable的美式发音音标为：[ɪm'pɛnɪtrəbəl]...

adj.不能通过的，不能理解的，无动于衷的，顽固的，不接受的...