selenium layer

例句：

1. 1. The selenium layer is crucial for the operation of the electronic device.
   硒层对于电子设备的运行至关重要。
2. 2. The researchers found that the selenium layer could be used to protect against radiation damage.
   研究人员发现硒层可以用来防止辐射损伤。
3. 3. The selenium layer was added to the battery to improve its performance.
   在电池中添加了硒层以提高其性能。