vertex evoked potential

例句：

1. 1. The vertexof the mountain is visible from here.
   从这儿可以看到山顶。
2. 2. The vertex of thecone is where the angles meet.
   圆锥的顶点是角度相交的地方。
3. 3. Thevertex of the triangle is the pointwhere all three sides intersect.
   三角形的顶点是三条边相交的地方。