infrared

• 指波长比可见光长的电磁辐射，常用于技术、天文和热成像等领域。也指与这种辐射相关的、肉眼不可见的或产生热效应的。

Describes electromagnetic radiation with wavelengths longer than visible light, often used in technology, astronomy, and thermal imaging.

1. C1formalscientific

   Relating to or using electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves, typically beyond the red end of the visible spectrum.

   红外线的

   • Infrared cameras can detect heat signatures in complete darkness.
   • The remote control uses an infrared signal to communicate with the TV.
   • Astronomers study infrared radiation to observe distant stars and galaxies.

• 指电磁波谱中波长比可见光长、比无线电波短的区域，常用于热成像和遥感。

A noun referring to the region of the electromagnetic spectrum with wavelengths longer than visible light but shorter than radio waves, often used in thermal imaging and remote sensing.

不可数

1. Infrared region of the spectrumB2formalscientific

   The part of the electromagnetic spectrum with wavelengths longer than visible light but shorter than radio waves, often used in thermal imaging and remote controls.

   红外线

   • Infrared is used in night-vision goggles to detect heat.
   • The camera can capture images in the infrared spectrum.
   • Scientists study infrared to understand the thermal properties of objects.

   同义词infrared spectrum

   反义词ultraviolet

2. B2formalscientific

   Electromagnetic radiation with wavelengths ranging from about 700 nanometers to 1 millimeter, invisible to the human eye but felt as heat.

   红外线

   • Infrared radiation is emitted by warm objects.
   • The remote control uses infrared to communicate with the TV.
   • Infrared sensors can detect motion in security systems.

   同义词infrared lightinfrared radiation