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diameter

听听怎么读
英 [daɪˈæmɪtə(r)]
美 [daɪˈæmɪtɚ]
是什么意思
  • n.

    直径,直径长;放大率;

  • 变形

    复数:diameters

    双语释义

    n.(名词)
    1. [C]直径 straight line connecting the center of a circle or sphere
    2. [C]放大率 a measurement of how many times bigger an object looks, when seen through a microscope

    英英释义

    diameter[ dai'æmitə ]

    • n.
      • the length of a straight line passing through the center of a circle and connecting two points on the circumference

        同义词:diam

      • 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)
    学习怎么用

    词汇搭配

    用作名词 (n.)
    形容词+~
    • inside diameter内径
    • outside diameter外径
    介词+~
    • be 100 inches in diameter直径为100英寸

    词组短语

    particle diameter粒径;颗粒直径,粒子直径

    pipe diameter管直径

    inner diameter内径

    hole diameter孔直径;刃口直径

    pore diameter孔径;孔隙直径

    outside diameter外直径

    outer diameter外直径

    inside diameter内径

    diameter ratio直径比;内外径比;直径螺距比

    average diameter n. 平均直径;算术平均径

    internal diameter内直径

    pitch diameter节圆直径

    mean diameter平均直径;中径;二次平均直径

    major diameter大直径,外径;螺纹大径,大径

    bore diameter孔径,内径

    external diameter外径

    grain diameter粒径,颗粒直径

    wire diameter线径;焊丝直径

    nominal diameter公称直径;标称直径

    equivalent diameter当量直径

    更多收起词组短语

    双语例句

    用作名词(n.)
    1. The diameter of the tree-trunk is about 2 meters.
      这树干的直径大约是2米。
    2. We must gauge the diameter of wire first.
      我们必须先测量电线的直径。
    3. The axis of a circle is its diameter.
      圆的轴线是其直径。

    权威例句

    Nanometre diameter fibres of polymer, produced by electrospinning
    Diameter-Selective Raman Scattering from Vibrational Modes in Carbon Nanotubes
    Subwavelength-diameter silica wires for low-loss optical wave guiding
    Single-shell carbon nanotubules of 1-nm diameter
    Erratum: Single-shell carbon nanotubes of 1-nm diameter
    Hydrothermal synthesis of ZnO nanorods in the diameter regime of 50 nm.
    Reductions in arterial diameter produced by chronic decreases in blood flow are endothelium-dependent
    A prospective study of triglyceride level, low-density lipoprotein particle diameter, and risk of myocardial infarction.
    Waist circumference and abdominal sagittal diameter: best simple anthropometric indexes of abdominal visceral adipose tissue accumul...
    Common carotid intima-media thickness and risk of acute myocardial infarction: the role of lumen diameter.