impulse
英['ɪmpʌls]
美['ɪmpʌls]
- n. 冲动；[电子] 脉冲；刺激；神经冲动；推动力
- vt. 推动
英英释意
- 1. an instinctive motive;
- "profound religious impulses"
- 2. a sudden desire;
- "he bought it on an impulse"
- 3. the electrical discharge that travels along a nerve fiber;
- "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
- 4. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients);
- "the pulsations seemed to be coming from a star"
- 5. the act of applying force suddenly;
- "the impulse knocked him over"
- 6. an impelling force or strength;
- "the car's momentum carried it off the road"