单词	concentric
释义	concentricconcentric /kənˈsɛntrɪk/ adjective Etymology ETYMOLOGYconcentric Origin: 1300-1400 Medieval Latin concentricus, from Latin com- ( ➔ COM-) + centrum center math, geometry concentric circles have their centers at the same point → eccentric
随便看	Issachar issuance -issue issue -ist Istanbul isthmus IT it Italian Italianate italic italicize italicized italics Italo- Italy itch itchiness itchy it'd -ite item itemize itemized

英语词典包含48224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。