PREFIX （与名词连用并加后缀ed构成形容词）表示“被…所覆盖”“穿戴…” Be- can be added to a noun followed by an '-ed' suffix to form an adjective that indicates that a person is covered with or wearing the thing named. （与名词连用并加后缀ed构成形容词）表示“被…所覆盖”“穿戴…”