electric eye

名词 n.
中文释义

英文释义

名词 n.
  1. A sensor which measures the intensity of light, often used to start and stop electrical equipment (motorized doors, etc.).
    — A man and woman sat before an electric eye in a London laboratory tonight and a group of people in a darkened room in this village outside New York watched them turn their heads move from side to side.

词形变化

electric eyes plural
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