jumprope
名词 n.
英文释义
名词 n.
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Alternative form of jump rope.
— The centrifugal force of the whirling jumprope draws the ends together. As we stretch rubber, we are pulling the jumpropes out to a flatter contour. This also explains why rubber deforms easily at first, then stiffens as strain increases.
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数据来源: Wiktionary