The subjects had to predict, as fast as possible, the direction of the ball and where it would land, by hitting a keyboard key.
这些被试必须在预测来球的方向和球落地的位置后尽快击中键盘上的一个键。
2
You could go in any direction, fast or slow as you wanted, fighting the wind if you felt like it, seeking out new sights just on the strength of your feet and the courage of your lungs.
Forest rangers can drop the sensors from aeroplanes to detect fires, showing their exact location and how fast and in what direction they are spreading.