| 单词 | 垂线 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔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〔brace〕A vertical line, usually accompanied by the symbol {, connecting two or more staffs.连谱号：一种垂线，通常与符号{同时出现，连接两个或两个以上的五线谱美国传统〔erect〕Mathematics To construct (a perpendicular, for example) from or on a given base.【数学】 作一垂直线：从某一给定基线建（如一条垂线）美国传统〔gules〕The color red, indicated on a blazon by vertical lines.红色：红颜色，在纹章上用平行垂线表示美国传统〔orthocenter〕The point of intersection of the three altitudes of a triangle.垂心：三角形的三边垂线的交点美国传统〔perpendicular〕A device, such as a plumb line, used in marking the vertical from a given point.垂规，铅垂线：一种装置，如铅垂线，用于从给定点标记竖直方向美国传统〔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〔perpendicular〕The tower is 54m high and leans by about 5m from the perpendicular.此塔高54米, 塔顶偏离垂线大约5米。外研社新世纪〔plumb bob〕A usually conical metal weight attached to the end of a plumb line.铅锤，垂球：系在一根垂线末端的通常为圆锥形的金属重物美国传统〔plumb line〕A line from which a weight is suspended to determine verticality or depth.铅垂线；垂直线：悬挂一重物来测定垂直度或深度的一根线美国传统〔plumb〕A weight on the end of a line, used especially by masons and carpenters to establish a true vertical.锤铊：系在一条线末端的重物，尤指被石匠和木匠用来建立一条真实的垂线美国传统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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