infra-,低于，在下方，red,红色。即低于正常红色的，用于指红外线。

1. Infrared detectors have many uses.

红外探测器有多种用途。

来自柯林斯例句

2. Infrared is widely used in industry and medical science.

红外线广泛应用于工业和医学科学.

来自《简明英汉词典》

3. An achromatic conformal optical system working within infrared waveband was designed by him.

他设计了一个红外波段消色差共形光学系统。

来自辞典例句

4. It is relative insensitivity to other than red and infrared lights.

它对红光,红外线的光以外的其它光相对来说是不敏感的.

来自辞典例句

5. In 1963, we evaluated an infrared vacuum combustion, gas heating system.

在1963年, 我们使用了内燃真空燃烧器的煤气加热系统.

来自辞典例句