tes·ti·cle /ˈtɛstɪkəl/
  睪丸
  tes·ti·cle /ˈtɛstɪkəl/ 名詞
  睪丸
  Tes·ti·cle n.  Anat. One of the essential male genital glands which secrete the semen.
  ◄ ►
  testicle
       n : one of the two male reproductive glands that produce
           spermatozoa and secrete androgens; "she kicked him in the
           balls and got away" [syn: testis, orchis, ball, ballock,
            bollock, nut, egg]