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diameter

英 [daɪ'æmɪtə] 美[daɪ'æmɪtɚ]
  • n. 直径

英英释意


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)