单词	roundsman
释义	roundsman noun rounds·​man ˈrau̇n(d)z-mən  1 : one that makes rounds 2 : a supervisory police officer of the grade of sergeant or just below Word History First Known Use 1795, in the meaning defined at sense 1
随便看	f-number F-sharp F-sharp major F-sharp minor f-sharps f-stop f-system f-value F/X F1 layer F2 layer F2F fa fa la FA station fa) FAA faags fab fab fragment faba Fabaceae fabaceaes fabaceous fabber

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。