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词汇 trochoid
释义 tro·choid AHD[trōʹkoid', trŏkʹoid'] D.J.[ˈtrəʊˌkɔɪd, ˈtrɒkˌɔɪd]K.K.[ˈtroˌkɔɪd, ˈtrɑkˌɔɪd]n.(名词)
  1. A curve traced by a point on or connected with a circle as the circle rolls along a fixed straight line.旋转线,次摆线:圆在固定直线上滚动时,圆上一点或与圆相连的一点的弧形轨迹
adj.also (形容词) 也作 AHD[trō-koidʹl, trŏk-oidʹl]
    1. Capable of or exhibiting rotation about a central axis.旋转的:能够绕中心轴旋转的,或正在绕中心轴旋转的
    1. Permitting rotation, as a pulley or pivot.允许旋转的,如滑车或枢轴
Etymology语源
    1. Greek trokhoeidēs [wheellike] 希腊语 trokhoeidēs [轮状的,象轮子的]
    1. trokhos [wheel] * see trochee trokhos [轮子] * 参见 trochee
    1. -oeidēs [-oid] -oeidēs [后缀,似象]
Related Forms继承用法trochoiʹdally adv.(副词)
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