x rays

名词 x ray:

1. electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
   同义词：X ray, X-ray, X-radiation, roentgen ray
2. a radiogram made by exposing photographic film to X rays; used in medical diagnosis
   同义词：roentgenogram, X ray, X-ray, X-ray picture, X-ray photograph

动词 x ray:

1. examine by taking x-rays
   同义词：x-ray
2. take an x-ray of something or somebody
   同义词：x-ray