单词	Protoblattoidea
释义	Protoblattoidea plural noun Pro·​to·​blat·​toi·​dea : a polyphyletic group of extinct families of insects related to the Blattaria and Protorthoptera, known only from the Upper Carboniferous and Permian, and formerly regarded as an order Word History Etymology New Latin, from prot- + Blatta + -oidea
随便看	scraffle scrag scragged scragger scraggier scraggiest scragginess scragginesses scragging scraggle scraggled scragglier scraggliest scragglinesses scraggling scraggly scraggy scrags scraich scraiched scraiching scraichs scraighed scraighing scraighs

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。