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	insularity insulate insulating tape insulation insulator insulin insult insulting insuperable insupportable insurance insurance adjuster insurance agent insurance broker insurance claim insurance policy insurance premium insure insured insurer insurgency insurgent insurmountable insurrection insurrectionist

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。