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x-ray 也作 X-ray AHD[ĕksʹrā'] D.J.[ˈeksˌreɪ]K.K.[ˈɛksˌre]n.also （名词） 也作   x-rayof an adult human hand- A relatively high-energy photon with wavelength in the approximate range from 0.01 to 10 nanometers.X光：一种相对的高能光，波长在0.01毫微米（埃）到100毫微米（埃）之间
- A stream of such photons, used for their penetrating power in radiography, radiology, radiotherapy, and scientific research. Often used in the plural. Also called roentgen ray X射线：一束X光射线，可利用其穿透能力，应用到放射线照相术、放射学和放射疗法以及科学研究方面。常用复数形式 也作 roentgen ray
- A photograph taken with x-rays.X光照片：用X光拍摄的照片
v.tr.（及物动词）x-rayed 也作 X-rayed x-ray.ing X-ray.ing x-rays X-rays - To irradiate with x-rays.用X射线照射
- To photograph with x-rays.用X射线照像
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