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单词 epitrochoid
释义 epi·trochoid
\“+\ noun
Etymology: epi- + trochoid
: a plane curve traced by a point on the radius or extended radius of a circle rolling on the outside of a fixed circle — compare epicycloid, hypotrochoid
epi·trochoidal \“+\ adjective
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更新时间:2024/11/11 12:41:34