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Jyutping jyun4 sam1
Pinyin yuán xīn

Definitions (CC-CEDICT)
  1. center of circle
Definitions (粵典–words.hk)
  1. 名詞
    圓​形​嘅​中心​點​;​亦​即​係​直​徑​嘅​中​點​(​量​詞​:​個​)
    the centre of a circle
Definitions (Wiktionary)
  1. noun
    centre of a circle
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)