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Jyutping hung4 ngoi6 gwong1 pou2
Pinyin hóng wài guāng pǔ

Definitions (CC-CEDICT)
  1. infrared spectrum
Examples (Wiktionary)
  1. Mandarin
    近红外光谱
    近紅外光譜
    jìn hóng wài guāng pǔ
    • near infrared spectroscopy