词汇	keep silent about
释义	keep silent about 对…只字不提
随便看	national olympic stadium national ombudsman national open port national open university national opera National Opera Movement national opera of Germany National Operational Satellite national operations center national operator National Ophthalmic Treatment Board National oppression national optimal tariff National Orbiting Space Station National Order of Viet Nam national ordnance laboratory national or ethnic costume national or foreign national organization national organization for public health nursing National organization for Rehabilitation National Organization for Women National Organization of Women National Organization on Disability National Organizations of Minority Architects