C2 noun #117,630 最常用

a ray of infrared radiation; produces a thermal effect (as from an infrared lamp)

infrared ray 30秒了解

  • (noun) a ray of infrared radiation; produces a thermal effect (as from an infrared lamp)

Meanings

  1. 1
    noun a ray of infrared radiation; produces a thermal effect (as from an infrared lamp)
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