infrared

infrared — 形容詞

1. describing a type of invisible light whose wavelength is longer than that of red

1.形容詞B2
釋義

紅外線的

波長比紅光長、不可見但有熱能的

describing a type of invisible light whose wavelength is longer than that of red light. Human eyes cannot see it, but the skin can feel it as warmth.

例句

An infrared light above the front door helped the camera record visitors in complete darkness.

前門上方裝了一盞紅外線燈，讓攝影機即使在完全黑暗中也能拍到訪客。

infrared + noun for technology applications

Meteorologists use infrared satellite images to track the temperature of clouds during a storm.

氣象學家利用紅外線衛星影像來追蹤暴風雨期間雲層的溫度。

infrared + noun in scientific context

同義詞
  • thermal

    broader term covering any heat-related phenomenon; infrared specifically refers to a precise wavelength range

反義詞
  • ultraviolet

    radiation at the opposite end of the visible spectrum, with shorter wavelengths than violet light

文法句型

infrared + noun

用法筆記

Infrared is almost always used before a noun (attributive position). Common noun partners include 'light', 'radiation', 'camera', 'sensor', 'heater', 'thermometer', and 'image'.

常見錯誤

❌The sun gives off infrareds that warm the Earth.
✅The sun gives off infrared radiation that warms the Earth.
💡Infrared is an adjective or non-count noun; it does not take a plural -s ending.