单词	comrade in arms
释义	comrade in armsˌcomrade in ˈarms noun (plural comrades in arms) [countable] someone who has fought with you or worked with you to achieve particular aims
随便看	operational research 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

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