| 单词 | line roulette |
| 释义 | line roulette (extremely rare) n WORD FAMILY line roulette n a line generated by a point on one figure rolling around a second figure Syn|Hypo|Hyper roulette cycloid a line generated by a point on a circle rolling along a straight line epicycloida line generated by a point on a circle rolling around another circle hypocycloida line generated by a point on a circle that rolls around inside another circle curate cycloida cycloid generated by a point inside the rolling circle prolate cycloida cycloid generated by a point outside the rolling circle cardioidan epicycloid in which the rolling circle equals the fixed circle curve, curved shape the trace of a point whose direction of motion changes |
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