Is too much screen time affecting children's eyesight? 长时间看屏幕会影响孩子的视力？_BBC

4. Weather conditions are deteriorating so we have decided to turn around and sail back to the harbour.

5. My holiday to Vietnam really opened my eyes to the beauty of the country.

【Is too much screen time affecting children's eyesight? 长时间看屏幕会影响孩子的视力？】相关文章：

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