紅外光譜 hóng wài guāng pǔ

DEFINITIONS

  1. infrared spectrum

CHARACTERS

紅 hóng red, vermillion; blush, flush
外 wài
HSK 2
out, outside, external; foreign
光 guāng
HSK 4
light, brilliant, shine; only
譜 pǔ register, list, table; musical score