confining force

例句：

1. 1. The force of gravity is too strong for us to resist.
   重力的力量太强大了，我们无法抗拒。
2. 2.The scientist used a confining force to study the behavior of the animals.
   科学家使用一种约束力来研究动物的行为。
3. 3.The team had to exert a confining force on the ball to prevent it from rolling away.
   团队必须对球施加一种约束力以防止它滚动。