单词	subproblem
释义	subproblem noun sub·​prob·​lem ˈsəb-ˌprä-bləm  : a problem that is contingent on or forms a part of another more inclusive problem Word History First Known Use circa 1645, in the meaning defined above
随便看	sand flask sand flea sand flies sand flotation sand flounder sand fluke sand fly sand food sand fox sand gall sand grape sand grass sand hill sand hole sand hopper sand jack sand jet sand lance sand lark sand leaf sand leek sand lily sand line sand lizard sand lob

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。