Impetus
01
动力, 推动力
the force that causes something to move or to keep moving
例子
The strong winds provided the impetus for the sailboat to glide across the water at high speed.
强风为帆船提供了动力，使其能够高速滑过水面。
The discovery of new resources provided the impetus for the rapid expansion of the company.
新资源的发现为公司快速扩张提供了动力。
02
动力, 推动力
a forceful turn or spin in dance, often used in partner dances like waltz and foxtrot
