It appears as if books themselves are lighting up the darkness.

似乎是书籍本身在照亮黑暗。

youdao

Underground, where there is no externally produced day, but only perpetual darkness, it would e artificial lighting that produces the day and this could be adjusted to suit man's convenience.

在地下，没有外界生成的白天，而只有永恒的黑暗，人工照明形成白昼，这就可以根据人的需要加以调整。

youdao

Try different light intensities. Snakes are usually happier to feed in subdued lighting or indeed total darkness.

尝试不同的光照强度。蛇更喜欢再光效较弱或者完全黑暗的情况下进食。

youdao

When the Nets began playing at the Barclays, it was obvious that the team had decided to do something dramatic with lighting, which was to brightly light the herringbone basketball court and keep the rest of the place in darkness.

WSJ: Brooklyn Nets: Come On, Brooklyn: Turn On the Lights