实际上，每个晶体就像一个百页窗，或是让光通过、或是把光挡祝。

Each crystal, in effect, ACTS like a shutter, either allowing light to pass through or blocking the light.

youdao

实际上，每个晶体就像一个百页窗，或是让光通过、或是把光挡祝。

Each crystal, in effect, ACTS like a shutter, either allowing light to pass through or blocking the light.

youdao