coverts
n. 隱蔽的,不公開的,秘密的( covert的名詞複數 ); 復羽
Covert activities or situations are secret or hidden.
They have been supplying covert military aid to the rebels...
他們一直在暗地裡向叛亂者提供軍事支援。
The depth of covert racism in my own profession frightens me.
我所從事的職業中暗藏著如此深的種族主義偏見,這讓我感到害怕。
A covert is a group of small trees or bushes very close to each other where small animals or game birds can hide.