IELTS学术词汇 (分数8-9) - 形状

having six equal sides and six angles

having a surface that is curved outward

having a surface that is curved inward

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

having curved lines, forms, or structures

having a shape with multiple straight edges and angles

having the form of a ring

resembling an ellipse or an oval-shaped object

having an elongated shape as an oval

resembling a curve that is U-shaped or bowl-shaped

having a series of sharp, pointed projections along the edge

resembling a slanted or tilted rectangle

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

characterized by or resembling a tetrahedron, which has four triangular faces

having the shape of a pentagon, which is characterized by five straight sides and five angles

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

having a spiral or wound shape, often forming a series of loops or turns

having the shape or characteristics of a tube

resembling a doughnut or a ring-shaped object

resembling a structure with a polygonal base and triangular sides, often tapering to a point at the apex

having a rounded, swollen, or bulb-shaped form