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cycloid英英字典_cycloid剑桥英语解释_cycloid柯林斯英文解释_2020年的事情英文词典
2020年的事情英文词典

cycloid

C 开头单词

柯林斯词典

    cycloid /ˈsaɪklɔɪd/

  • 1. ADJ resembling a circle 圓形的

  • 2. N the curve described by a point on the circumference of a circle as the circle rolls along a straight line 輪轉線[geometry] →compare trochoid

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