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单词	free-living
释义	free-living adjective free-liv·​ing ˈfrē-ˈli-viŋ  1 : marked by more than usual freedom in the gratification of appetites 2 a : not fixed to the substrate but capable of motility a free-living protozoan b : being metabolically independent : neither parasitic nor symbiotic a free-living adult hairworm Word History First Known Use 1818, in the meaning defined at sense 1 Medical Definition free-living adjective free-liv·​ing ˈfrē-ˈliv-iŋ  1 : not fixed to the substrate but capable of motility a free-living protozoan 2 : being metabolically independent : neither parasitic nor symbiotic
随便看	assignat assignation assignations assignats assigned assigned risk assignee assignees discoveries discovering discovers discovert discoverture discovertures discovery discovery bond Discovery Day discovery well discreate discredit discreditable discreditably discredited discrediting discredits

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。