单词	actinomycin
释义	actinomycin noun ac·​ti·​no·​my·​cin ˌak-(ˌ)ti-nō-ˈmī-sᵊn  -tə-nō-; ak-ˌti-nō- : any of various red or yellow-red mostly toxic polypeptide antibiotics isolated from soil bacteria (especially Streptomyces antibioticus) specifically : one used to inhibit DNA or RNA synthesis Word History Etymology New Latin Actinomyces actinomyces + -in entry 1 First Known Use 1940, in the meaning defined above Medical Definition actinomycin noun ac·​ti·​no·​my·​cin -ˈmīs-ᵊn  : any of various red or yellow-red mostly toxic polypeptide antibiotics isolated from soil bacteria (especially Streptomyces antibioticus) specifically : one used to inhibit DNA or RNA synthesis
随便看	Cheilostomata cheilostomatous cheilostome cheilostomes cheir- cheiranthi Cheiranthus cheiranthuses cheiranthusses cheiro- cheirogaleus Cheiroglossa cheirolin cheiromancy Cheiromys cheironomic cheironomy cheiropterophilous Cheirostrobus Cheju cheka Chekhov chekhovian chekhovs chekiang

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。