hy·po·glos·sal /ˌhaɪpəˈglɑsəl/
  hy·po·glos·sal /ˌhaɪpəˈglɑsəl/ 形容詞
  舌下的
  Hyp·o·glos·sal a.  Anat. Under the tongue; -- applied esp., in the higher vertebrates, to the twelfth or last pair of cranial nerves, which are distributed to the base of the tongue. -- n. One of the hypoglossal nerves.
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  hypoglossal
       n : supplies intrinsic muscles of the tongue and other tongue
           muscles [syn: hypoglossal nerve, nervus hypoglosus, twelfth
           cranial nerve]