单词	proto-
释义	proto-proto- /prəʊtəʊ, -tə $ proʊtoʊ, -tə/ prefix Word Origin WORD ORIGINproto- Origin: Late Latin, Greek, from protos ‘first’ technical existing or coming before other things of the same type:  a proto-fascist group a prototype
随便看	undersized understaffed understand understandable understandably understanding understate understated understatement understood understudy undersubscribed undertake undertaker undertaking under-the-counter undertone undertow underused undervalue underwater underway underwear underweight formatting

英语词典包含52748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。