hard X-ray

例句：

1. 1. The doctor used a hard X-ray to examine the patient's chest.
   医生用硬X射线检查病人的胸部。
2. 2.The scientist discovered a new type of hard X-ray that could be used in medical imaging.
   科学家发现了一种新的硬X射线，可用于医学成像。
3. 3. In the dark room, the hard X-ray machine was shining brightly.
   在暗室里，硬X射线机闪烁着明亮的光芒。