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	moderator modern modern-day modernism modernist modernistic modernity modernization modernize modern pentathlon modest modestly modesty modicum modification modifier modify Modigliani, Amedeo Modoc modular modulate modulation module modus operandi modus vivendi

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