单词	nonfrivolous
释义	nonfrivolous adjective non·​friv·​o·​lous ˌnän-ˈfri-və-ləs  : not lacking importance, seriousness, or a sound basis : not frivolous a nonfrivolous lawsuit Word History First Known Use 1892, in the meaning defined above
随便看	-odynic -oecia -oholic -oic -oid -oida -oidal -oidea -oidei -oin -ol -olic -oma -omas -omata -ome -omma -onic -onym -onymy -ophis -ophthalma -ophthalmia -ophthalmus -opia

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。