单词	cost-efficient
释义	cost-efficient adjective cost-ef·​fi·​cient ˈkȯst-i-ˈfi-shənt  -ˌfi- : cost-effective Word History First Known Use 1913, in the meaning defined above
随便看	steadfastnesses steadicams steadied steadier steadiers steadies steadiest steadilier steadiliest steadily steadiment steadiness steadinesses steading steadings steadite steads steady steady as a rock steady flow steady load steady motion steady on steady one's nerves steady one's/someone's nerves

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。