吃透英语课本,提升在校竞争力
n. 直径
复数:diameters
...a tube less than a fifth of the diameter of a human hair.
…一根直径不到头发五分之一的微管。
Draw a circle six centimetres in diameter.
画一个直径为六厘米的圆。
diameter ratio
直径比;内外径比;直径螺距比
pipe diameter
管直径
average diameter
n. 平均直径;算术平均径
external diameter
外径
pore diameter
孔径;孔隙直径
bore diameter
孔径,内径
inside diameter
内径
nominal diameter
公称直径;标称直径
internal diameter
内直径
particle diameter
粒径;颗粒直径,粒子直径
hole diameter
孔直径;刃口直径
outer diameter
外直径
equivalent diameter
当量直径
mean diameter
平均直径;中径;二次平均直径
wire diameter
线径;焊丝直径
inner diameter
grain diameter
粒径,颗粒直径
major diameter
大直径,外径;螺纹大径,大径
outside diameter
pitch diameter
节圆直径
考纲分布
考纲释义
真题例句
Its diameter (直径) is 53% as wide as that of the earth.
它的直径是地球直径的53%。
[2021 铜仁市卷 完形填空]
The radio telescope is 500 metres in diameter, as large as the size of 30 football fields.
射电望远镜直径500米,相当于30个足球场的大小。
[2019 温州卷 阅读理解]
The sizes of most antennas in use today are around 50 to 300 metres in diameter.
目前使用的大多数天线的直径约为50至300米。