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noun He had a sudden impulse to stand up and sing. 他突然心血来潮，想站起来唱歌。 I resisted the impulse to laugh. 我强忍着没有笑出来。 Her first impulse was to run away. 她的第一个念头就是逃走。 The door was open and on (an) impulse she went inside.门开着，她一时心血来潮就走了进去。 He tends to act on impulse. 他往往凭一时冲动行事。 nerve/electrical impulses神经冲动；电路脉冲 The impulse is conducted along the length of the wire. to give an impulse to the struggling car industry给予挣扎中的汽车工业一点刺激 He was motivated by the impulse for social reform. Acting on impulse, he picked up the keys and slipped them into his pocket. He fought down an impulse to scream. Impulses that are repeatedly denied can arise in other forms. My first impulse was to run away. Nerve impulses are transmitted to the brain. On an impulse, I went in and bought a box of chocolates. Radio waves are converted into electrical impulses. She felt a sudden impulse to look to her left. She gave in to an impulse and took the money. Some people will buy a pet on impulse without any idea of what is involved. Supermarkets sell candy as impulse items at the checkout counter. The little black designer dress had been an impulse buy. We are all subject to aggressive impulses. basic impulses towards things such as food and drink the impulse behind a concept the impulse for social reform the impulse that prompted economic change the political impulses towards joining a trade union He tends to act on impulse. 他往往凭一时冲动行事。 The door was open and on an impulse she went inside. |