Diameter Line Length Straight Passing Noun Circle 直径;对径
The word "diameter" refers to the length of a straight line that crosses through the center of a round object. It can also refer to the magnification power of an optical instrument.
The word "diameter" refers to the length of a straight line passing through the middle of a round object. It can also refer to the magnifying power of an optical instrument.
[N-COUNT 可数名词]直径;对径 The diameter of a round object is the length of a straight line that can be drawn across it, passing through the middle of it.
[also in N]
...a tube less than a fifth of the diameter of a human hair.
直径不足人的头发直径1/5的电子管
...a length of 22-mm diameter steel pipe.
一段直径为 22 毫米的钢管
...a tiny capsule, between 1 and 3 millimetres in diameter.
直径在 1到3 毫米之间的微型胶囊
Oxford
diam·eter/daɪˈæmɪtə(r); NAmEdaɪˈæmɪtər/noun _circles_comp.jpg _circles1.jpg 1a straight line going from one side of a circle or any other round object to the other side, passing through the centre 直径;对径◆the diameter of a tree trunk树干的直径◆The dome is 42.3 metres in diameter.这个穹顶直径为 42.3 米。☞compare
radius
(1 )2( technical 术语) a measurement of the power of an instrument to magnifysth 放大率;放大倍数◆a lens magnifying 300 diameters (= making sth look 300 times larger than it really is)放大 300 倍的透镜diameterdiametersdiam·eter/daɪˈæmɪtə(r); NAmEdaɪˈæmɪtər/
a straight line from one side of a circle to the other side, passing through the centre of the circle, or the length of this line3 inches/1 metre etc in diameter Draw a circle six centimetres in diameter.diameter of The diameter of the Earth is about 13,000 km.
WDF
diameter
[daɪˈæmɪtə(r)]
CET4CET6TEM4考研GRETOEFLIELTS
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直径(100%)
n.直径
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