A baseball player watches a thousand baseballs come off a bat, and a thousand times lifts his gloved hand, and a thousand times adjusts his guess with his mitt.

• 一个棒球手，成千次观察球棒击飞棒球的情景，成千次举起戴着棒球手套的手，成千次利用戴手套的手调整他的预测。