X-rayBrE/ˈeks reɪ/NAmE/ˈeks reɪ/noun[usually pl.]atypeofradiationthatcanpassthroughobjectsthatarenottransparentandmakeitpossibletoseeinsideorthroughthem * X 射线;X 光◆anX-raymachine(= onethatproducesX-rays)X 光机aphotographmadebyX-rays, especiallyoneshowingbonesororgansinthebody * X 光照片◆achestX-ray胸部 X 光照片◆ThedoctorstudiedtheX-raysofherlungs. 医生研究了她肺部的 X 光照片。◆totakeanX-ray拍摄 X 光照片