naked eye

英 ['neɪkɪd aɪ] 美 ['neɪkɪd aɪ]

• 肉眼

英英释义

Noun:

1. the eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects;

   "it is not safe to look directly at the sun with the naked eye"
   

词汇搭配

• with the naked eye 用肉眼