Optics is the study of light and vision in science and engineering.

光学是在科学和工程方面对光和视觉的研究。

youdao

What effect does light have on vision? What do light and vision mean with age?

光线的强弱对视觉有什么意义？随着年龄的变化光线与视觉的关系又如何？

youdao

That dream has being long gone since I came to the cities of modern world where we build walls and roofs to limit our vision where we light up the sky to mask true light.

自从我来到现代世界的各个城市以来，那个梦已经消失的无影无踪了。在这些城市里，我们建造了高墙和屋顶来限制我们的视觉，而且我们点亮天空以便掩饰真正的光线。

youdao

They play tricks and dance to the accompaniment of the Baroque-era music of the Jesuit missions, then around midnight fireworks pop from the top of their wide-brimmed hats, symbolizing the gift of light and vision to live respectfully.

UNESCO: Intangible Cultural Heritage

This blog is in honor of all of those who, when faced with tragedy, despair, and darkness are, somehow, able to shed light, hope, and vision for those who choose to follow them.

FORBES: Ultimate Leaders

With its teasing play of light-merging direct vision and reflection within a single frame-the entrance is the first of many screens that visitors encounter at the Museum.

ENGADGET: Museum of The Moving Image plans multi-million dollar updates with HD, 3D