optical

/ˈɑptɪkəl/

of or relating to or involving light or optics

Chinese meaning: 光学的；视觉的

Optical illusions can trick the brain into seeing things that are not there.

视错觉可以欺骗大脑，让人看到不存在的东西。

The telescope uses advanced optical technology to observe distant galaxies.

该望远镜使用先进的光学技术观测遥远的星系。