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	patristical patristicism patristics patrix patrizate patro- patrocinate patrocination Patroclus patrol patrol car patrol judge patrol wagon patrolled patroller patrollers patrolling patrolman patrolmen patrologic patrological patrologist patrology patrols patrolwoman

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。