trapezoid
n. <英>不规则四边形；<美>梯形；（腕部近食指根底处的）小多角骨
adj. 梯形的，不规则四边形的
例句
Fairy lights dance around the trapezoid opening at the top of the Shanghai World Financial Center (SWFC).
在上海环球金融中心（SWFC）顶部，彩灯围绕着梯形的开口舞动。
The two unequal shorter sides of the curvilinear trapezoid of each building change their geometry every two floors.
每隔两层，每幢建筑曲线梯形的两条不相等的短边就会改变其几何形状。
The 31-inches main circular window is the biggest window ever bound for space. The six windows on the perimeter are trapezoid-shaped.
31英寸宽的主圆窗，是有史以来最大的窗户。四周的六扇窗户是梯形的。
