n. an impelling force or strength
n. the product of a body's mass and its velocity
n. 动力, 动量
[化] 动量
1. The car gained momentum as it went downhill.
汽车在下坡时获得了动量。
2. We need to keep the momentum going to finish the project on time.
我们需要保持动量，以便按时完成项目。
3. The team's momentum helped them win the championship.
球队的动量帮助他们赢得了冠军。