暗线光谱 àn xiàn guāng pǔ

DEFINITIONS

  1. dark-line spectrum

CHARACTERS

暗 àn
HSK 5
dark; obscure; in secret, covert
线 xiàn
HSK 4
line, thread, wire; clue
光 guāng
HSK 4
light, brilliant, shine; only
谱 pǔ
HSK 6
list, table; musical score