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洁收州褐序至汉商勤香冷飞困格阿顺引研开浸体舞缩蚕改街解皮线每静纷朗令株互水装交陈他长家留党燃纵环私胸带

Care of Eyes

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We see with our eyes. If we have poor eyesight, it will be difficult to see everything clearly. So it's important to take good care of our eyes. It's quite unbelievable that an eye ball is the same size as a table tennis ball. In fact the eye ball is like a kind of mirror. We should do eye exercises every day. We also need to have a rest after a long period of reading.