silver mirror reaction

例句：

1. 1. This is the first time we've seen a real silver mirror in our lifetime.
   这是我们一生中第一次看到真正的银镜。
2. 2. In this experiment, we observed a silver mirror to see how it reflects light.
   在这个实验中，我们观察了一个银镜来观察它如何反射光线。
3. 3.The silver mirror was used as a tool for testing the strength of the material.
   这个银镜被用作测试材料强度的工具。