| 单词 | 四边形 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔brig〕Nautical A two-masted sailing ship, square-rigged on both masts, carrying two or more headsails and a quadrilateral gaff sail or spanker aft of the mizzenmast.【航海】 双桅横帆船：有两根桅杆的帆船，每个桅杆上都有横帆，载有两个或更多的前帆和一个四边形的斜桁帆或在后桅的尾部装有后樯纵帆美国传统〔gaff-topsail〕A light triangular or quadrilateral sail set over a gaff.斜桁中帆：下缘张在斜桁上的三角形或四边形轻帆美国传统〔gnomon〕The geometric figure that remains after a parallelogram has been removed from a similar but larger parallelogram with which it shares a corner.磬折形：一种几何图形，把一个平行四边形从一个相似的但较大的平行四边形从一角截去后，剩下的部分美国传统〔mortise〕A usually rectangular cavity in a piece of wood, stone, or other material, prepared to receive a tenon and thus form a joint.榫眼：通常在一木头板、石块或其他物质中的四边形的洞孔，用来嵌入另一榫从而形成一个接合点美国传统〔occipital bone〕A curved, trapezoid compound bone that forms the lower posterior part of the skull; the occipital.枕骨：一根弯曲的、不规则四边形的复合骨，形成头颅的下后部美国传统〔parallelepiped〕A solid with six faces, each a parallelogram and each being parallel to the opposite face.平行六面体：一种有六个面且每一面都是平行四边形并与对面相平行的立方体美国传统〔parallelogram〕A four-sided plane figure with opposite sides parallel.平行四边形：一种有四条边且每两条边对应平行的平面图形美国传统〔parallelogram〕Rectangles, squares, and rhombuses are all parallelograms.长方形、正方形和菱形都是平行四边形。韦氏高阶〔parietal bone〕Either of two large, irregularly quadrilateral bones between the frontal and occipital bones that together form the sides and top of the skull.顶骨：位于额骨和枕骨之间并与它们一起构成头骨的周边和顶部的两块大且不规则四边形骨中的任一块美国传统〔prismoid〕A prismatoid having polygons with the same number of sides as bases, and faces that are parallelograms or trapezoids.平截头棱椎体：以边数相同的平面多边形为底面的，各侧面为平行四边形或不规则四边形的拟柱体美国传统〔prism〕A solid figure whose bases or ends have the same size and shape and are parallel to one another, and each of whose sides is a parallelogram.棱柱（体），角柱（体）：多面固体，上下两底面大小、形状相同，且彼此平行，其余诸面则为平行四边形美国传统〔quadrangle〕Mathematics A plane figure consisting of four points, no three of which are collinear, connected by straight lines.【数学】 四边形，四角形：由四个角组成的平面图形，没有任何三个点共线，通过直线相连接美国传统〔quadrate〕Having four sides and four angles; square or rectangular.四边形的：带有四条边或四个角的；长方形或正方形的美国传统〔quadrilateral〕A plane figure with four sides and four angles.四边形：有四个边和四个角的平面图形美国传统〔quadrilateral〕Squares and rectangles are quadrilaterals.正方形和长方形都是四边形。剑桥高阶〔quadrilateral〕The sheet of metal was cut into even quadrilateral shapes.金属片被切割成了大小相同的四边形。韦氏高阶〔regular〕A square is a regular quadrilateral.广场是个正四边形。剑桥高阶〔rhomboid〕A parallelogram with unequal adjacent sides.长斜方形：具有不相等邻边的平行四边形美国传统〔rhombus〕An equilateral parallelogram.菱形：各边相等的平行四边形美国传统〔square〕A plane figure having four equal sides.正方形：四条边相等的平面四边形美国传统〔tetragon〕A four-sided polygon; a quadrilateral.四边形美国传统〔trapezium〕A quadrilateral having no parallel sides.没有平行边的四边形美国传统〔trapezohedron〕Any of several forms of crystal with trapeziums as faces.偏方三八面体：任一种各面均为不规则四边形的水晶体美国传统〔trapezoid〕A quadrilateral having two parallel sides.梯形：一个有两条平行边的四边形美国传统A square is a four-sided figure.正方形是四边形。剑桥国际A square is a regular quadrilateral.正方形是个规则四边形。剑桥国际Squares and rectangles are quadrilaterals.正方形和长方形都是四边形。剑桥国际 |
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