| 单词 | swallowtail |
| 释义 | Word Frequency swallowtail(ˈswɒləʊˌteɪl) noun 1. any of various butterflies of the genus Papilio and related genera, esp P. machaon of Europe, having a tail-like extension of each hind wing: family Papilionidae 2. the forked tail of a swallow or similar bird 3. short for swallow-tailed coat |
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