他的视力很差，不戴眼镜无法读书。
His eyesight isn't very good. I have to wear glasses for reading.
它的视力很差，靠声音寻找食物。
她视力很差，不得不整天戴着眼镜。
它们嗅觉很发达，但是视力很差。
Their sense of smell is well-developed, but their sight is poor.
很多孩子因为看太多电视，视力很差。
Many children have poor eyesight because of watching too much TV.
他的视力很差，因为他做了太多的工作。
那位老人的视力很差。
如果我们的视力很差，也很难都看得清楚了。
If we have poor eyesight, it will be difficult to see everything clearly.
然而，他视力很差因为他晚上玩太多的电脑。
However, he has poor eyesight because of too much computer work at night.
他的视力很差。
他的视力很差。
我的视力很差。
我的视力很差。
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