| 单词 | arcs |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔arc〕The island chain arcs from north to south.列岛由北向南呈弧形排列。韦氏高阶〔cinquefoil〕Architecture A design having five sides composed of converging arcs, usually used as a frame for glass or a panel.【建筑学】 五瓣花饰，梅花形装饰：一种图案，有由凸弧组成的五边，常用作玻璃框架或窗格美国传统〔cusp〕Architecture The point of intersection of two ornamental arcs or curves, such as the inner points of a trefoil.【建筑学】 尖顶：两条装饰性弧线或曲线的交叉点，如三叶饰的内尖顶美国传统〔cyclometer〕An instrument that measures circular arcs.圆弧测定器：一种用于测定圆弧的仪器美国传统〔lune〕A crescent-shaped portion of a plane or sphere bounded by two arcs of circles.球面二角形：由圆的两弧合成的球，或飞机的月牙形的那部分美国传统〔nervous〕Searchlights swept the area in nervous arcs.探照灯光以弧形扫遍整个地区。英汉大词典〔spherical angle〕The angle formed at the intersection of the arcs of two great circles.球面角：球的两个大圆交弧的夹角美国传统〔spherical polygon〕A part of a spherical surface that is bounded by arcs of three or more great circles.球面多边形：球面上由三个或更多个大圆圆弧界成的部分美国传统〔spherical triangle〕A triangle the three sides of which are arcs of great circles.球面三角形：其三边为球面大圆圆弧的三角形美国传统 |
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