柯林斯英汉双解大词典
mainspring /ˈmeɪnˌsprɪŋ/ TEM8
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1.
N-COUNT If you say that an idea, emotion, or other factor is the mainspring of something, you mean that it is the most important reason or motive for that thing. 主要部分 [书面] [usu sing, usu 'the' N 'of' n]
例：My life has been music, and a constant search for it has been the mainspring of my life.
我为音乐而生，对音乐的不懈探索已经成为我生活的动力。
例：You begin to understand what actions were the mainspring of the story.
你开始明白什么是这个故事的主要情节了。
双语例句权威例句
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My life has been music, and a constant search for it has been the mainspring of my life.
我为音乐而生，对音乐的不懈探索已经成为我生活的动力。
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You begin to understand what actions were the mainspring of the story.
你开始明白什么是这个故事的主要情节了。
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In the early 1400s came the invention of the coiled spring or fusee which maintained constant force to the gear wheels of the timekeeper despite the changing tension of its mainspring.
在15世纪早期，人们发明了螺旋弹簧或均力圆锥轮，尽管它的主弹簧的张力不断变化，但仍能对计时装置的齿轮保持恒定的力。
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