🇬🇧 en ja 🇯🇵

swallowtail noun

  /ˈswɒl.əʊˌteɪl/
  • Any of various butterflies of the family Papilionidae, many of which have a long extension to each hindwing.
 揚羽蝶
  • The forked tail of a swallow.
 燕尾
  • A type of tailcoat with two long tapering tails.
 燕尾服
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