alpha rays

例句：

1. 1. The alpha rays from the sun penetrate the Earth's atmosphere and reach our skin.
   来自太阳的阿尔法射线穿透地球大气层，到达我们的皮肤。
2. 2. In medical imaging, alpha rays are used to create images of internal organs.
   在医学成像中，阿尔法射线被用来创建内部器官的图像。
3. 3. The alpha rays were detected by a sensitive detector.
   敏感探测器探测到了阿尔法射线。