1896, X-rays, translation of German X-strahlen, from X, algebraic symbol for an unknown quantity, + Strahl (plural Strahlen) "beam, ray." Coined 1895 by German scientist Wilhelm Conrad Röntgen (1845-1923), who discovered them, to suggest that the exact nature of the rays was unknown. As a verb by 1899. Meaning "image made using X-rays" is from 1934, earlier in this sense was X-radiograph (1899).
双语例句
1. I had to go back for my checkup; they'd lost my X-rays.
我得回去再做一次体检。他们把我的X光片弄丢了。
来自柯林斯例句
2. X-rays have confirmed that he has not broken any bones.
X光片证实他没有骨折。
来自柯林斯例句
3. They took my pulse, took my blood pressure, and X-rayed my jaw.
他们给我量了脉搏、血压，还给我的下颌拍了X光片。
来自柯林斯例句
4. For a decade "X" was the pre-eminent punk band in Los Angeles.
10年来，“X”乐队一直都是洛杉矶最杰出的朋克乐队。
来自柯林斯例句
5. A neutron star has a gravitational field strong enough to generate X-rays.
