billiard-ball collision
常见例句
- Look at the billiard ball alone-- - forget the ping-pong ball-- and try to see that the speed of the billiard ball is practically unaffected by the collision.
我们只看台球-,完全忽略乒乓球-,来看看台球的速度,它实际未受碰撞影响。 返回 billiard-ball collision