n (1)X光(射线)，伦琴射线(relatively high-energy photon with a very short wavelength)[C，通常pl]：an～machine/camera/telescope X光机/相机/望远镜;～therapy X光疗法; take some～photographs of sb's broken leg 拍几张某人腿部骨折照片;X～s are used to locate breaks in bones and bullets lodged in the body.X光射线用来确定骨折及留在体内子弹的位置。

(2)X光检查(照片)(examination or photograph made by means of X-rays)[C](infml)：a chest～胸部X光检查;take an～of sb's hand 拍某人手部X光片;go to hospital for an～去医院进行X光检查;read/examine sb's head～(s) 看/检查某人头部的X光照片;

vt (1)用X光检查(拍片)(examine or photograph by means of X-rays)[T+n]：You must have your neck～ed.你必须做颈部X光检查。They～ed my arm to see if it was broken.他们给我的胳膊拍了X光片以检查是否骨折。

(2)用X光治疗(treat medically by means of X-rays)[T+n]：He has been～ed.他接受过X光治疗。