| 单词 | 圆锥体 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔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〔helix〕Mathematics A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant.【数学】 螺旋线：附着于圆柱体或圆锥体之上的三维曲线，其垂直于中轴线的平面角是一个恒量美国传统〔pencil〕Physics A beam of radiant energy in the form of a narrow cone or cylinder.【物理学】 光线锥：窄圆锥体或圆柱形的辐射性光束美国传统〔ruled surface〕A surface, such as a cone or cylinder, generated by the motion of a straight line.直纹曲面：如圆锥体或圆柱体的面，是由一条直线的运动而形成的美国传统〔sugar loaf〕Something, such as a mountain, that resembles a loaf of sugar in shape.塔糖状物：外貌象圆锥体塔糖的东西，如一座大山美国传统〔turreted〕Having the shape or form of a turret, as certain long-spired gastropod shells.具有螺旋状的螺转体的，塔楼状的，如某些有高螺旋圆锥体的腹足类动物的壳美国传统A cone is a solid body which narrows to a point from a round, flat base. 圆锥体是底面圆平顶尖的实体。译典通An ellipse is the closed figure obtained when a cone is cut by a plane.椭圆是一个圆锥体被一个平面切开后所得的闭合图形。剑桥国际 |
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