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Jyutping jat6 sam1 syut3
Pinyin rì xīn shuō

Definitions (CC-CEDICT)
  1. heliocentric theory
  2. the theory that the sun is at the center of the universe
Definitions (Wiktionary)
  1. noun, historical
    heliocentrism
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)