impetus
动力
常用释义
英音[ ˈɪmpɪtəs ]
美音[ ˈɪmpɪtəs ]
变形
复数:
impetuses
基本释义
- n. 动力，促进；动量，冲力
考试频率
四级
考频：近五年出现1次
- n. 动力; 促进因素
六级
考频：近五年出现1次
- n. 动力; 促进因素
例句
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1·By 1982, she was restless and needed a new impetus for her talent.到1982年，她焦躁不安，需要一个新的对其才华的推动力。来源: 《柯林斯英汉双解大词典》
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2·And some people take this a step further, and they hypothesize that this migration actually provided an important impetus in the development of ancient Egypt.有些人对这方面做了进一步的研究，并假设这次的迁移实际上为古埃及的发展提供了一个重要的动力。
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3·One impetus for the policy is that companies are already starting to build massive constellations, comprising hundreds or thousands of satellites with many moving parts among them.政策的一个动力是，公司已经开始建造大规模的星座，包括成百上千的卫星和其中许多运动部件。
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4·Because of the barrier of ice to the east, the Pacific Ocean to the west, and populated areas to the north, there may have been a greater impetus for people to move in a southerly direction.因为东面有冰的屏障，西面是太平洋，而且北面是人口稠密的地区，所以促使人们向南迁移的动力会更大。
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5·His articles provided the main impetus for change.他的那些文章是促进变革的主要推动力。来源: 《牛津词典》
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6·The debate seems to have lost much of its initial impetus.辩论会似乎没有开始时那么大的冲劲了。来源: 《牛津词典》
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7·Children need an impetus to study.儿童学习需要动力。来源: 《新英汉大辞典》
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8·This is an encouragement [impetus] to us.这是对我们的鞭策。来源: 《新英汉大辞典》
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9·Impetus of IT technology?推动信息技术？
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10·Eurocrats hope it will create new impetus.欧共体的官员希望，新条约能发挥出新的推动力。
同义词
n.
动力；促进；冲力
同根词
词根：
impetus
impetuosity
n
性急，冲动；冲力，猛烈