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diameter [dai'æmitə]    添加到生词本 复制网址
基本释义
  • n. 直径,径
参考例句
    1. polar distance;polar diameter.
      极距;两极的直径
    2. Densitometry was used to calculate peak particle diameters.
      使用密度计去推算粒孚的最大直径。
    3. The rocket appeared about12to15feet in diameter.
      这火箭看起来直径约12到15英尺。
    4. Polar distance;polar diameter.
      极距;两极的直径
    5. The microscope magnified the object one hundred diameters.
      那显微镜把物体放大了100倍。
英英解释
  •  2个名词解释

    1. the length of a straight line passing through the center of a circle and connecting two points on the circumference
      [同] diam, diameter
    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)