Be sure to do some eye exercises to relax your eyes after you study for a long period of time.

在长时间学习后，一定要做眼保健操来放松眼睛。

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Be sure to do some eye exercises to relax your eyes after you study for a long period of time.

在长时间学习后，一定要做眼保健操来放松眼睛。

youdao