红外线 (hóng wài xiàn) — infrared ray, infrared radiation

Definição

Exemplos

• 红外线是光的一种，眼睛看不到。
  hóng wài xiàn Shì guāng de yì zhǒng, yǎn jing kàn bú dào.
  Infrared is a kind of light that the eye cannot see.
• 遥控器使用红外线来传递信号。
  Yáo kòng qì shǐ yòng hóng wài xiàn lái chuán dì xìn hào.
  The remote control uses infrared rays to transmit signals.
• 红外线摄像头可以帮助检查体温。
  hóng wài xiàn Shè xiàng tóu kě yǐ bāng zhù jiǎn chá tǐ wēn.
  An infrared camera can help check body temperature.