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mainspring ['meinspriŋ]
基本释义
- n. 主发条;主要原因
参考例句
- The mainspring makes the watch motion.
发条带动表走。
- The mainspring makes the watch motion.
英英解释
1个名词解释
- the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism