impetus
US /ˈɪm.pə.t̬əs/
UK /ˈɪm.pə.t̬əs/
1.
衝力, 推動力
the force or energy with which a body moves
:
•
The ball gathered impetus as it rolled down the hill.
球滾下山時獲得了衝力。
•
The rocket gained impetus as it ascended.
火箭在上升時獲得了衝力。
2.
動力, 推動力, 刺激
the force that makes something happen or happen more quickly
:
•
His speech gave new impetus to the reform movement.
他的演講為改革運動注入了新的動力。
•
The discovery provided fresh impetus for scientific research.
這項發現為科學研究提供了新的動力。