diameter
英 [daɪˈæmɪtə(r)] 美 [daɪˈæmɪtɚ]

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)

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.