momentum

新政策宣布后，抗议运动开始积聚声势。

The protest movement began to gather ___momentum after the new policy was announced.

技术似乎创造了自身的势头——如果某事能做，它就会被做。

Technology seems to create its own ___momentum – if something can be done, it will be.

球员们在比赛中途开始失去势头。

The players began to lose ___momentum halfway through the game.