| 单词 | vertex |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔adjacent angle〕Either of two angles having a common side and a common vertex.邻角：具有相同边与相同顶点的两个角之一美国传统〔altitude〕The perpendicular distance from the base of a geometric figure to the opposite vertex, parallel side, or parallel surface.顶垂线，高线：从一个几何形体的底边到相对的顶点、平行边或平行面的垂直距离美国传统〔center〕A point equidistant from the vertexes of a regular polygon.中心点，中枢：与一正多边形各角顶点等距的一点美国传统〔central angle〕An angle having its vertex at the center of a circle.圆心角：顶点在圆心的角美国传统〔cone〕The figure formed by a cone, bound or regarded as bound by its vertex and a plane section taken anywhere above or below the vertex.圆锥体：由或被认为是由其顶点确定的锥体和取自顶点以上或以下的横切平面组成的几何体美国传统〔cone〕The surface generated by a straight line, the generator, passing through a fixed point, the vertex, and moving along a fixed curve, the directrix.锥面：由一条直线，即母线，通过一固定点，即顶点，沿一给定曲线，即准线，连续移动而产生的平面美国传统〔inscribe〕Mathematics To draw (one figure) within another figure so that every vertex of the enclosed figure touches the outer figure.【数学】 使内切：画（一图形）于另一图形内使内侧图形的每一顶点都与外侧图形相接美国传统〔median〕A line that joins a vertex of a triangle to the midpoint of the opposite side.中线：从三角形顶点到对边中点的直线美国传统〔nappe〕Mathematics Either of the two parts into which a cone is divided by the vertex.【数学】 锥顶片：位于锥顶两边而形成一个锥体的两片中的一片美国传统〔perpendicular〕Draw a perpendicular from the vertex of the triangle to its base.从三角形的顶点画一条垂线到底边。剑桥高阶〔point〕The vertex of the angle created by the intersection of rails in a frog or switch.辙叉角：在岔心或岔道上，由铁轨交叉而成的角的顶点美国传统〔pole〕Mathematics The origin in a polar coordinate system; the vertex of a polar angle.【数学】 极点：一个极坐标系中的始端；一个极角的顶点美国传统〔right circular cone〕The surface generated by a generator passing through a vertex that lies on the perpendicular axis of a circular directrix.直立圆锥：由生成线穿过位于环形准线的垂直轴而生成的表面美国传统〔vertical〕Anatomy Of or relating to the vertex of the head.【解剖学】 头颅顶的：属于头顶的或与其相关的美国传统〔vertical〕Situated at the vertex or highest point; directly overhead.顶点的：在顶点或者最高点的；头的正上方的美国传统Draw a perpendicular (= a perpendicular line) from the vertex of the triangle to its base.从三角形的顶点划一条垂线到底边。剑桥国际 |
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