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adv. 偷偷摸摸地; 精選例句 高考 1、 Naval organizations were covertly incorporated into civil ministries. 各種海軍組織秘密地混合在各民政機關之中. 來源:辭典例句 2、 It is covertly taking away properties and materials belonging to others. 是偷偷的把別人的財產物質偷走了. 來源:互聯網