n. 盖子, 封面, 藉口vt. 覆盖, 掩饰, 保护, 掩护, 包括vi. 覆盖【化】 (顶,阀)盖; (机,外)壳; 汽车外胎相关词组: under cover under cover to under plain cover under seperate cover under the cover of break cover cover in cover over cover up sth under cover of cover up for sb from cover to cover
It's polite to cover your mouth when you cough. 咳嗽的时候挡着嘴是种礼貌。
I don't use my swimming pool in the winter , so I cover it. 冬季我不用游泳池，所以我把它盖上。
Making no mention whatsoever of the situation where trampling the people's basic human rights was commonplace in old Tibet, the exiled Dalai Lama has tried by every means to cover it up and vilify and
