1. C X射线，X光　type of short-wave electromagnetic radiation that can penetrate solids and make it possible to see into or through them
2. C X光检查　a medical examination made using this
3. C X光片　photograph made by X-rays

1. X-ray用作名词的基本意思是"X射线，X光”，也可作"X光片”"X光检查”解。
　X-ray　除用作定语外通常用作复数。
2. X-ray有时可写作X ray, x ray.

　do〔make, take〕 an ～　拍X光（片）
　go for an ～　去作X光透视
　interpret〔read〕 an ～　看X光片
　put sb under the ～　对某人进行X光透视

　X-rays are used by doctors to examine the bones or organs inside our body. X　光被医生用来检查人体内部的骨骼和器官。
　She went to the hospital for an X-ray yesterday.　她昨天去医院作了X光检查。
　The chest X-rays showed moderate enlargement of the heart.　胸部X光片显示出心脏稍有扩大。

　vt. & vi.用X光摄影，检查，治疗 photograph, examine, or treat by means of X-ray

　～ chest　给胸部做X光检查
　～ leg　给腿部做X光检查
　～ lung　用X光照射肺部

　They can't tell till they X-ray.　在使用X光检查之前，他们还说不上来。
　I've never X-rayed for two years.　我两年来没有做过X光检查。
　Have you X-rayed your chest?　你的胸部用X光照过没有?
　They X-rayed her leg to find out if the bone was broken.　他们用X光检查她的腿骨是否断了。
　When his lungs were X-rayed the disease could be clearly seen.　对他的肺部进行了X光检查，疾病一目了然。

　［词源］德语X-Strahelen(X射线，X光）