mainspring例句
You begin to understand what actions were the
mainspring of the story.
你开始体会到是什么样的行动在推动这个故事的发展。
My life has been music, and a constant search for it has been the
mainspring of my life.
我以音乐为生，对音乐的不懈探索已经成为我生活的动力。
Her jealousy is the
mainspring of the novel's plot.
这部小说情节中贯穿了她的忌妒之心.