neb /ˈnɛb/
  嘴,鼻
  Neb n.  The nose; the snout; the mouth; the beak of a bird; a nib, as of a pen. [Also written nib.]
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  neb
       n 1: a long projecting or anterior elongation of an animal's
            head; especially the nose [syn: snout]
       2: horny projecting mouth of a bird [syn: beak, bill, nib,
           pecker]