单词	field stop
释义	field stop noun : a diaphragm that determines the size of the field of an optical instrument Word History First Known Use 1910, in the meaning defined above
随便看	airliker airlikest airline airline hostess airliner airliners airlines airlinest airlocks airmail airmail field airmailed airmailer airmailest airmailing airmailler airmaillest airmails airman airman basic airman first class airmanship airmanships airmark airmarker

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。