单词	Rip van Winkle
释义	Rip van Winkle noun Rip van Win·​kle ˌrip-(ˌ)van-ˈwiŋ-kəl  -vən- : a ne'er-do-well in a story in Washington Irving's Sketch Book who sleeps for 20 years Word History First Known Use circa 1820, in the meaning defined above
随便看	ultravirilities ultraviruses ultrawide ultroneous ulu Ulu Dag Ulu-juz ulu-juzes ulua ululant ululate ululated ululates ululating ululation ululations Uluru ulus ulva Ulvaceae ulvaceaes ulvaceous ulvae Ulvales ulvaleses

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