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Jyutping lik6 syu1
Pinyin lì shū

Definitions (Wiktionary)
  1. noun
    almanac; ephemeris
    (syn.) 通書, 曆頭, 老皇历, 皇历, 通书, 皇曆, 老皇曆, 历头

曆書 [历书]

Jyutping
Pinyin lì shū

Definitions (CC-CEDICT)
  1. almanac