primary external auditory meatus
boil external auditory meatus 释义：耳定 primary external auditory meatus 释义：原外耳道 internal acoustic meatus temporal bone 释义：颞骨内耳道 ..
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meatus acusticus externus primarius
musculus pterygoideus externus 释义：翼外肌 meatus acusticus externus primarius 释义：原外耳道 nucleus ventrocaudalis externus 释义：腹后外侧核 ..
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