单词	trochoid
释义	trochoid noun tro·​choid ˈtrō-ˌkȯid  ˈträ-ˌkȯid : the curve generated by a point on the radius of a circle or the radius extended as the circle rolls on a fixed straight line trochoidal trō-ˈkȯi-dᵊl  trä- adjective Word History Etymology Greek trochoeidēs like a wheel, from trochos wheel First Known Use circa 1704, in the meaning defined above Medical Definition trochoid noun tro·​choid ˈtrō-ˌkȯid  : pivot joint
随便看	rongpa rongpas rongs ronin ronins ronions Ronne Ice Shelf ronnels rono ronquil rons rons ce que nous ver Ronsard Ronsdorfer ronsdorfian ront pas rontgenised rontgenises rontgenising rontgenized rontgenizes rontgenizing rontgenograms rontgens ronyon

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。