be covered with 与 be covered by 有什么不同?

e covered with与 be covered by 这两个词语都有“由。覆盖”之意介词by用于被动语态,引出动作的逻辑主语,表动作介词with用于主动或被动语态均可,指“用。覆盖/掩盖”,表状态