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	infected infection infectious infelicitous infelicity infer inference inferential inferentially inferential question inferior inferior court inferior good inferiority inferiority complex infernal inferno infertile infertility infest infestation -infested infidel infidelity infield

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