反方向行进的英文

countermarch

• 向:    direction
• 行进:    process; march for ...
• 反方向行车:    contraflow; contra ...

例句与用法

1. If the light is traveling in the opposite direction, the reverse is true and the ray is bent away from the normal .
   如果光线沿着反方向行进，那末就有逆关系成立，即光线更远离法线而折射。