Middle English elsen, probably from Middle Dutch elsene, else; akin to Old High German alunsa, alansa awl, German dialect (Swiss) alesne, (assumed) Gothic alisna (whence Old Spanish alesna), Old Norse alr
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。