名词
中文翻译：三叶椭圆弹簧
同义词：
['triangular elliptical spring', 'triangular spring']
例句：
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1. The triplets are playing a game on the playground.
三胞胎在操场上玩着游戏。
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2. The elliptical spring is used to store energy in a compact form.
椭圆弹簧被用来以紧凑的形式储存能量。
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3. The triplets were able to solve the problem with the help of the elliptical spring.
三胞胎在椭圆弹簧的帮助下解决了这个问题。