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首頁英語詞典diameterdiameter英英釋意

diameter

英 [da?'?m?t?] 美[da?'?m?t?]
  • n. 直徑

英英釋意

1. the length of a straight line passing through the center of a circle and connecting two points on the circumference
2. a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)