collinear point

例句：

1. 1.The two lines are collinear.
   这两条线是共线的。
2. 2. The graph is collinear with the line on the chart.
   这个图表上的曲线与该直线共线。
3. 3. The geometry of the plane is collinear with the coordinate plane.
   平面几何与坐标平面共线。