be covered with和be covered by有什么区别?
问题描述：
be covered with和be covered by有什么区别?
答
be covered with与 be covered by 这两个词语都有“由.覆盖”之意
介词with用于主动或被动语态均可,指“用.覆盖/掩盖”,表状态
介词by用于被动语态,引出动作的逻辑主语,表动作不可通用.