Definition
- C2
Refers to the ability to see something without the aid of any instruments; visible with the eyes alone.
(无需借助仪器的)肉眼
On a clear night, many stars can be seen with the naked eye.
在晴朗的夜晚，许多星星可以用肉眼看到。
This bacterium is too small to be seen with the naked eye.
这种细菌太小了，无法用肉眼看到。
He can discern the subtle differences in the painting with the naked eye.
他可以用肉眼辨别出画中的细微差异。