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	context clue contextual contextualization contextualize contextually contiguity contiguous contiguously continence continent continental Continental Army, the continental breakfast continental crust Continental Divide, the continental drift continental shelf contingency contingent contingent employment contingently continual continually continuance continuation

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