tea·spoon /ˈtiˌspun, ˈspun/
  茶匙
  tea·spoon /ˈtɪˌspun, ˈspun/ 名詞
  一茶匙容量,茶匙(4毫升)
  Tea·spoon n.
  1. A small spoon used in stirring and sipping tea, coffee, etc., and for other purposes.
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  teaspoon
       n 1: a small spoon used for stirring tea or coffee; holds about
            one fluid dram
       2: as much as a teaspoon will hold [syn: teaspoonful]