impulse meaning in English
n.
1.冲动；【物理学】冲量；推进力；脉冲，【医学】冲动，搏动。
2.鼓舞，刺激；一时高兴，兴奋。
短语和例子
vt.
推动。
Examples
- It was a day for impulse and truancy .
这是个适于冲动或偷懒的日子。 - We were seized by a sudden impulse to run .
我们身不由己突然想跑。 - The machine also sends a "start" impulse .
机器还发出“起动”脉冲信号。 - The derivative of the step is the impulse .
阶梯的导数就是脉冲。 - The impulse of falling water turns the waterwheel .
落水的冲力使水轮转动。