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单词
mainspring
释义
main
·
spring
/ˈmeɪnsprɪŋ/
n.
1.
(钟表的)
主发条,主弹簧
2.
主要动力;主要动机,主要原因;主要影响
Technology was the
mainspring
of economic growth.
技术是经济发展的主要动力。
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更新时间:2026/9/1 4:46:16