| 单词 | impulse |
| 释义 | im·pulseBrE /ˈɪmpʌls/ NAmE /ˈɪmpʌls/ noun [C , usually sing. , U ]~ (to do sth )a sudden strong wish or need to do sth , without stopping to think about the results 冲动；心血来潮；一时的念头◆ 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。[C ](specialist ) a force or movement of energy that causes sth else to react 动力；冲力；冲量◆ nerve /electrical impulses 神经冲动；电路脉冲[C , usually sing. , U ](formal ) something that causes sb /sth to do sth or to develop and make progress 推动力；刺激◆ to give an impulse to the struggling car industry 给予挣扎中的汽车工业一点刺激 |
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