单词	epitrochoid
释义	epitrochoid noun 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 epitrochoidal "+ adjective Word History Etymology epi- + trochoid
随便看	occur (to) occur to occurred occurred (to) occurred to occurrence occurrences occurrent occurrents occurring occurring (to) occurring to occurs occurs (to) occurs to OCD ocean ocean basin ocean bug Ocean City prancinglier prancingliest prancingly prancings prancy

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。