ap·pe·tiz·er /ˈæpəˌtaɪzɚ/
  開胃食品,開胃物
  Ap·pe·ti·zer n. Something which creates or whets an appetite.
  ◄ ►
  appetizer
       n : food or drink to stimulate the appetite (usually served
           before a meal or as the first course) [syn: appetiser,
           starter]