1. A large swallowtail butterfly (Papilio glaucus) of eastern North America, mostly yellow with narrow black bands across the wings.是什么意思_1. A large swallowtail butterfly (Papilio glaucus) of eastern North America, mostly yellow with narrow black bands across the wings.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句