sub·mers·ible /səbˈmɝsəbəl/
  (a.)能沈入水中的,能潛水的
  submersible
       adj : capable of being immersed in water or functioning while
             submerged; "a submersible pump"; "a submergible
             electric frying pan" [syn: submergible] [ant: nonsubmersible]
       n 1: an apparatus intended for use under water
       2: a warship designed to operate under water [syn: submersible
          warship] [ant: surface ship]