单词	Grand Canyon
释义	Grand Canyon, theˌGrand ˈCanyon, the a very large, deep gorge (=a steep-sided valley cut by a river) in the US state of Arizona. The Grand Canyon is in a national park, and many tourists visit it.
随便看	Operation Desert Storm Operation Iraqi Freedom Operation Overlord operative operator operetta Ophelia ophthalmic ophthalmologist ophthalmology opiate opine opinion opinionated opinion-makers opinion poll opium opossum opp. Oppenheimer, J. Robert opponent opportune opportunely opportunism opportunist

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