impulse
/ˈɪmpʌls/ 名词 B2中文： 冲动、意气、冲量、冲力
- A thrust; a push; a sudden force that impels. · c. 1715-1716, Samuel Clarke, letter to Gottfried Wilhelm Leibniz All spontaneous animal motion is performed by mechanical impulse.
- A wish or urge, particularly a sudden one prompting action. · The impulse to learn drove me to study night and day.· When I saw the new book, I couldn't resist the impulse to browse through it.
- The integral of force over time. · The total impulse from the impact will depend on the kinetic energy of the projectile.
复数 impulses
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It was neither the season nor the hour when the Park had frequenters; and it is likely that the young lady, who was seated on one of the benches at the side of the walk, had merely obeyed a sudden impulse to sit for a while and enjoy a foretaste of coming Spring.
“I admire the activity of your benevolence,” observed Mary, “but every impulse of feeling should be guided by reason; and, in my opinion, exertion should always be in proportion to what is required.”
May I ask whether these pleasing attentions proceed from the impulse of the moment, or are the result of previous study?”
But we are none of us consistent; and in his behaviour to me there were stronger impulses even than pride.”
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