| 单词 | 交点 |
| 释义 | 〔convergence〕a town at the convergence of two rivers.位于两条河流交点处的城镇〔trace〕The point at which a line, or the curve in which a surface, intersects a coordinate plane.交点，交线：线与坐标平面相交的点或一表面与坐标平面相交的曲线〔node〕Either of two diametrically opposite points at which the orbit of a planet intersects the ecliptic.交点：行星的轨道与黄道相交的完全相对的两点中任何一点〔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 |
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