直线相交 meaning in English

intersect

If a straight line falling on two straight lines makes the interior angles on the same side less than two right angles , the two straight lines , if produced indefinitely , meet on that side on which are the angles less than the two right angles
如果一条线段与两条直线相交，在某一侧的内角和小于两直角，那么这两条直线在不断延伸后，会在内角和小于两直角的一侧相交。