1、shadow n. 影子;阴影;阴暗;荫;暗处。vt. 投阴影于;跟踪;预示。vi. 渐变;变阴暗。adj. 影子内阁的;阴影的。2、用作名词 (n.)(1)The tree cast its shadow on the wall.树影映在墙上。(2)His shadow followed him along the road.他的影子一路上跟着他。