recoil ion

例句：

1. 1. The ion beam was used to clean the surface of the crystal.
   离子束被用来清洁晶体的表面。
2. 2.The ionization process is crucial for the operation of the device.
   离子化过程对于设备的运行至关重要。
3. 3. The researchers found that the recoil ion could be used as a marker for identifying the location of the target.
   研究人员发现，反冲离子可以用作识别目标位置的标记。