| 单词 | impulse |
| 释义 | impulse (once / 169 pages) 1n 2n 3n An impulse is a sudden force or desire — this could be an electrical impulse, or an impulse to get some pizza. If you act on a sudden feeling or thought, you’re following an impulse. That's like a whim: an impulse isn't something you've given a lot of thought. Another meaning of impulse is an electrical charge or pulse. Electrical impulses are coursing through wires all through your house every day. Both kinds of impulses make things happen. The electrical impulse keeps the refrigerator going, and then you have an impulse to eat all the ice cream in the fridge. WORD FAMILYimpulse: impulses USAGE EXAMPLESCarter, punk, and the expansive cultural impulse that brought this random family together are about to be supplanted by the Reagan era. The New Yorker(Jan 01, 2017) Parenting is about providing children with opportunities while protecting them from harm, and few recreational activities put those impulses in opposition the way football does. The New Yorker(Jan 01, 2017) “Christa,” among the pieces in the current show, is still a radical gesture, and the other artworks here mostly align with that impulse. New York Times(Dec 29, 2016) 1 1n an impelling force or strength Syn|Hyper momentum force, forcefulness, strength physical energy or intensity 2n the act of applying force suddenly the impulse knocked him over Syn|Hyper impetus, impulsion drive, driving force, thrust the act of applying force to propel something 3n an instinctive motive profound religious impulses Syn|Hypo|Hyper urge abience (psychology) an urge to withdraw or avoid a situation or an object adience(psychology) an urge to accept or approach a situation or an object Thanatos, death instinct, death wish(psychoanalysis) an unconscious urge to die itchy feet, wanderlustvery strong or irresistible impulse to travel motivation, motive, need the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior 4n a sudden desire 2he bought it on an impulse Syn|Hyper caprice, whim desire the feeling that accompanies an unsatisfied state n (electronics) a sharp transient wave in the normal electrical state (or a series of such transients) 3Syn|Hyper pulsation, pulse, pulsing undulation, wave (physics) a movement up and down or back and forth n the electrical discharge that travels along a nerve fiber they demonstrated the transmission of impulses from the cortex to the hypothalamus Syn|Hypo|Hyper nerve impulse, nervous impulse, neural impulse action potential the local voltage change across the cell wall as a nerve impulse is transmitted electrical discharge a discharge of electricity |
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