单词	prototroch
释义	prototroch noun pro·​to·​troch ˈprōtə‧ˌträk plural -s : the ciliated band or ring characteristic of trochophore larvae prototrochal prōtä‧trəkəl adjective Word History Etymology prot- + -troch
随便看	mercantilists mercapt- mercaptan mercaptans mercaptides mercapto- mercaptobenzothiazole mercaptole mercaptopurine mercaptopurines Mercator Mercator chart Mercator projection mercatorial mercats Merced Mercedarian mercedarii mercedarioes mercedarios Brugge brugh brughs brugmansiae brugmansias

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。