光感应 guāng gǎn yìng

DEFINITIONS

  1. optical response
  2. reaction to light
  3. light sensitive
  4. photoinduction

CHARACTERS

光 guāng
HSK 4
light, brilliant, shine; only
感 gǎn
HSK 3
feel, perceive, emotion
应 yìng
HSK 3
should, ought to, must