covert
covertadjective- not openly acknowledged or displayed
隐蔽的;秘密的;暗地的
covert operations against the dictatorship.
反对专制的秘密行动。
noun- a thicket in which game can hide
(猎物的)藏身处
- (Ornithology)any of the feathers covering the bases of the main flight or tail feathers of a bird
(鸟)覆羽
派生covertlyadverbcovertnessnoun语源- Middle English (in the general senses 'covered' and 'a cover'): from Old French, covered', past participle of covrir (see cover)
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