trapezoid/ˈtræpɪzɔɪd; `træpəˌzɔɪd/ n(geometry 几)1 (Brit) (US trapezium) four-sided figure in which nosides are parallel 不规则四边形. =>illus at quadrilateral 见 quadrilateral 插图.2 (US) = trapezium.
牛津英汉双解词典