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	Dias, Bartolomeu diaspora diastole diastolic diatomic molecule diatonic diatribe dibs dice dicey dichotomous key dichotomy dick dickens Dickens, Charles Dickensian dicker dickey Dickinson, Emily dicky dicotyledon dict. Dictaphone dictate dictation

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