we see with our eyes. if we have poor eyesight, it will be difficult to see everything clearly. so its important to take good care of our eyes. its 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.
【保护眼睛】相关文章:
★ 我的小台灯
★ 初二暑期英语作文:How to Protect Your Eyes
★ 暑假生活的一天(A Day in My Summer Vacation)
★ 自我介绍
最新
2016-02-29
2016-02-29
2016-02-29
2016-02-29
2016-02-29
2016-02-29