n.势头；动力；（物理）动量
They began to lose momentum in the second half of the game. 在比赛的下半场，他们的势头就逐渐减弱。
We should continue to maintain good growth momentum. 我们应继续保持良好的增长势头。
I am picking up momentum every single day. 我现在每天都会获得动力。
The sledge gained momentum as it ran down the hill. 雪橇从山上下冲时动量越来越大。
A falling object gains momentum as it falls. 下落的物体落下时动量增加。
As the rock rolled down the mountainside, it gathered momentum. 石头滚下山时，它的动量增加。
