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n.主要动力；（钟表）主发条；主要原因；主要动机
1、mainspring press───主弹簧压力机
2、mainspring narrative films───主流叙事片
3、mainspring cg───主弹簧cg
4、mainspring it───主弹簧it
5、mainspring energy etagen───主弹簧能源etagen
6、mainspring chemical───mainspring化学公司
1、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。
2、Purposiveness cannot, logically, be the mainspring for language development.───目的性在逻辑上不能当成语言发展的主要动力。
3、Defeating radical Islam will remain a mainspring of American policy.───打败激进的YiSiLanJiaoTu仍是美国政治上的一个重头戏。
4、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。
5、His belief in liberty was the mainspring of his fight against slavery.───他对自由的信仰是他反抗奴隶制度的主要动力。
6、Technology was the mainspring of economic growth.───技术是经济发展的主要动力。
7、The mainspring has not always been able to drive the mechanism at its full potential.───主要推动力并不总能尽一切可能地推动该机制发展。
8、If we were unable to observe these inequalities, we would have to invent them because they are the mainspring of economic growth.───如果我们不能观察这些不平等，我们必须发明他们，因为他们是经济增长的主要动机。
9、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。
1、My life has been music, and a constant search for it has been the mainspring of my life.