单词	epicycloid
释义	ep·i·cy·cloid \ˌ ̷ ̷ ̷ ̷ˈsīˌklȯid\ noun (-s) Etymology: probably from French épicycloïde, from épicycle (from Late Latin epicyclus) + -oïde -oid : a curve traced by a point on a circle that rolls on the outside of a fixed circle — compare hypocycloid [epicycloid E, traced by point P, on circle R, rolling on fixed circle F]
随便看	switch position switch rail switch sorrel switch stand switchtail switch tender switch tie switch tower switchyard swith swithe swither switzer switzerland swive swivel swivel swivel bridge swivel chain swivel chair swivel gun swivel-hip swivel-hipped swivel hips swivel hook

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