单词	keying sequence
释义	keying sequence noun : a sequence of numbers or letters that enciphers or deciphers a polyalphabetic substitution cipher letter by letter Word History Etymology from present participle of key entry 2
随便看	black sassafras black scab black scabbard fish black scabbardfish black scale black scoter black scour black scour worm black scours black scrub oak black scurf Black Sea black sea bass black sea devil black shale black shank black shark black sheep black sigatoka black silver black skimmer black slash pine black sloe black smallpox black smoker

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。