英语词汇“petrosal bone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	petrosal bone
释义	petrosal bone noun also petrosal (-s) 1. : a bone corresponding to the petrous portion of the temporal bone of man 2. : a bone forming more or less of the capsule of the internal ear and composed of one or more periotic bones
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