单词	boulder
释义	boulderboulder /ˈboʊldɚ/ ●○○ noun [countable] Etymology ETYMOLOGYboulder Origin: 1400-1500 From a Scandinavian language a large stone or piece of rock:  Two huge boulders blocked the road.
随便看	yield yielding yikes yin ying yang y-intercept yip yippee YMCA yo yodel yodeler yodeling yoga yoghurt yogi yogurt yoke yokel yolk Yom Kippur yon yonder yoo-hoo yore

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