a thing used to cover something else, typically in order to protect or conceal it (多指为了保护或隐藏的)覆盖物;遮蔽物 a vinyl floor covering. 聚乙烯基地板。 ■[usu. in sing.]a layer of something that covers something else 遮盖;覆盖 the sky was obscured by a covering of cloud. 天空被云遮蔽了。