hypotrochoid
,haipә'trәukɔid
基本解释
[机] 内转迹线
英文释义
n. A curve, traced by a point in the radius, or radius
produced, of a circle which rolls upon the concave side of a fixed
circle. See Hypocycloid, Epicycloid, and Trochoid.
上一个单词：hypotrochanteric
下一个单词：hypotrophia infantum