单词	pebble
释义	pebblepebble /ˈpɛbəl/ ●○○ noun [countable] Etymology ETYMOLOGYpebble Origin: Old English papolstan, from papol (perhaps from the sound of small stones hitting against each other) + stan stone a small smooth stone found on the beach or on the bottom of a river—pebbly adjective
随便看	dulcet dulcimer dull dullard dullness dully duly Duma Dumas, Alexandre dumb dumbbell dumbbell tenement dumbfound dumbfounded dumbly dumbness dumbstruck dumb terminal dumbwaiter dum-dum dummy dump dumping ground dumpling Dumpster

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