为了保护视力，我们最好在长时间阅读后放松一会儿。

To protect our eyesight, we'd better relax for a while after reading for a long time.

youdao

例如，长时间阅读电子书会伤害我们的眼睛。

For example, long time of reading e-books does harm to our eyes.

youdao

但液晶屏极耗电池，长时间阅读容易视觉疲劳。

But LCDs are much more battery-hungry and are not so easy on the eye when reading for long periods.

youdao

Good question. I think part of the reason for more blacks low reading skills is, to do with the history of being heavy slaves.

好问题,我认为黑人阅读能力差的部分原因是,他们经历了较长时间的奴役史。

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