vertical plane

• n. 垂直面

例句

用作名词 (n.)

1. Light can be trusted to curve only in a vertical plane.
   可确信光线仅在垂直面内作曲线传播。
2. The winner is the athlete whose torso breaks the vertical plane of the finishing line first.
   第一个用身体躯干冲过终点垂直面的人为优胜者。