clearly visible during early development, also: the skeleton surrounding the inner ear or otic vesicle, composed of the prootic, opisthotic, exoccipital, and supraoccipital.
也可指是围住内
或
的骨骼，是
前骨、后骨、外枕骨与
枕骨所组成。
后的clearly visible during early development, also: the skeleton surrounding the inner ear or otic vesicle, composed of the prootic, opisthotic, exoccipital, and supraoccipital.
也可指是围住内或的骨骼，是前骨、后骨、外枕骨与枕骨所组成。
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例句、词性分类
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