单词	there-is
释义	there-is 此在
随便看	upper-storey upper story upper-story upper strake upper strata united front upper stratosphere upper stratum upper tool slide upper tooth upper topgallant sail upper topsail upper tunguskas Upper Turning Point upper turn of bilge upper turntable upper turret station upper stream upper stream of Yellow River upper-stream petrochemical products upper strength/lower strengthratio of growth upper stretcher for rubber and cotton shoes upper string upper stroke upper structure upper structure type