soft α-rays

例句：

1. 1.The soft α-rays from the sun are responsible for our daily life.
   太阳的软α射线是我们日常生活的来源。
2. 2.The scientists detected a new type of soft α-rays in space.
   科学家们在太空中探测到了一种新的软α射线。
3. 3.The soft α-rays have been used to study the properties of matter.
   软α射线已经被用来研究物质的性质。