Correct
肉眼
/ ròuyǎn /
Strokes
Definition
naked eye/layman's eyes
Example
As a Noun
naked eye
1
Xìjūn
细菌
yòng
用
ròuyǎn
肉眼
kàn
看
bu
不
jiàn
见
。
Bacteria are invisible to the naked eye. / Germs cannot be seen by the (naked) eye.
As a Noun
vision of a mortal person