having the shape of a trapezoid, a quadrilateral with one pair of parallel sides

梯形的, trapezoidal的
having the form of a ring

环状的, 环形的
resembling a curve that is U-shaped or bowl-shaped

抛物线的, 抛物状的
resembling a slanted or tilted rectangle

菱形的, 斜方形的
having the shape or characteristics of an octagon, which is a polygon with eight sides and eight angles

八角形的, 八边形的
characterized by or resembling a tetrahedron, which has four triangular faces

四面体的, 四面体形状的
having the shape of a pentagon, which is characterized by five straight sides and five angles

五边形的, 五角形的
having the form or characteristics of a cone, which is a three-dimensional geometric shape with a circular base tapering to a point at the apex

锥形的, 锥状的
having the shape or characteristics of a tube

管状的, 圆筒形的
resembling a structure with a polygonal base and triangular sides, often tapering to a point at the apex

金字塔的, 锥形的
resembling a doughnut or a ring-shaped object

环形的, 圆环状的
