单眼

例句：

1. 1. She has a single eye for art.
   她对艺术有独到的眼光。
2. 2. The cat had only one eye left after the accident.
   这只猫在事故后只剩下一只眼睛了。
3. 3. He needs to use both eyes to see clearly.
   他需要用两只眼睛来看清楚。