| 单词 | black op |
| 释义 | black opor black operationnounOften black ops . a secret mission or campaign carried out by a military, governmental, or other organization, typically one in which the organization conceals or denies its involvement: Some national intelligence agencies use black ops to undermine enemy governments.The company even resorted to an industrial black op to steal secrets from its competitor. Origin of black opFirst recorded in 1940–50 Words nearby black opblackness, black nightshade, black oak, black olive, black-on-black, black op, black opal, blackout, black pad, Black Panther, Black Panthers Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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