naked eye

英['neɪkɪdaɪ] 美['neɪkɪdaɪ]
  • 肉眼
  • eye n.眼睛;目光;视力;观点;鉴赏力v.看;注视;审视
  • naked adj.裸体的;无掩饰的;明白的;无覆盖的
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"

    1. That comet is invisible to the unaided eye.
      那颗彗星只用肉眼是看不到的。
    2. Germs are too small to be seen with a naked eye.
      细菌太小,用肉眼是看不到的。