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Jyutping seon4 zeng6 seoi2
Pinyin chún jìng shuǐ

Definitions (Wiktionary)
  1. noun, Mainland-China
    purified water
    (syn.) 純水, 纯水
Definitions (HSK3.0)
  1. HSK3 四级词汇表 #120
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 飲料:臺
    純水
  2. 飲料:陸
    純淨水

純淨水 [纯净-]

Jyutping
Pinyin chún jìng shuǐ

Definitions (CC-CEDICT)
  1. purified water