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sphenoidal sinus /ˈsfɛnɔɪdəl fˌɒnteɪnˈɛl/ n

中文：蝶窦

中文 · 蝶窦Español · seno esfenoidalFrançais · sinus sphénoïdal
Meaning：Cavity hollowed out of the sphenoid bone of the skull; it connects with the nasal fossae and warms inhaled air.
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Nasal cavity

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