单词	ravine
释义	ravineravine /rəˈvin/ noun [countable] Etymology ETYMOLOGYravine Origin: 1400-1500 Old French violent rushing, ravine, from Latin rapina; ➔ RAPINE earth science, geography a narrow valley with steep sides, formed by running water SYN gorge
随便看	cumulative cumulative probability cumulonimbus cumulus cuneiform cunning Cunningham, Merce cunningly cup cupboard cupcake cupful Cupid cupidity cupola cur curable curacy curare curate curative curator curaçao curb curd

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