单词	ab extra
释义	ab ex·tra (ăb ĕkstrə) adv. From without. [Latin ab extrā : ab, from + extrā, outside.]
随便看	OK Oka okadaic acid Okanagan Okanogan okapi Okavango okay okay Okayama Okazaki Okeechobee O'Keeffe Okefenokee Swamp O'Kelly okey-dokey Okhotsk Okie okina 'okina Okinawa Okla. Oklahoma Oklahoma City Oklahoman

英语词典包含135693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。