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Jyutping waan4 jyun4
Pinyin huán yuán

Definitions (CC-CEDICT)
  1. to restore to the original state
  2. to reconstruct (an event)
  3. reduction (chemistry)
Definitions (粵典–words.hk)
  1. 動詞
    將一樣​嘢​變返​做​之前​嘅​狀​態
    to reinstate; to restore; to bring back to a former state
    • 呢個 YouTube 頻道專門將啲生鏽嘅舊玩具還原。
      呢个 YouTube 频道专门将啲生锈嘅旧玩具还原。
      ni1 go3 ju1 tup1 pan4 dou6 zyun1 mun4 zoeng1 di1 saang1 sau3 ge3 gau6 wun6 geoi6 waan4 jyun4
      This YouTube Channel shows how to restore old rusty toys.
  2. 動詞
    物質​同氫氣​或​還原​劑產​生化​學反應​(​指化學​反應​中​獲得電​子​嘅​一方​)​;​氧化​嘅​相反​反應
    (chemistry) to reduce
Definitions (Wiktionary)
  1. verb
    to reduce; to make a substance gain electron(s)
  2. verb
    to use inverse operation to solve for a variable
  3. verb
    to return to the original condition or shape; to restore
  4. adj, attributive
    recursive
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #1751
Examples (粵典–words.hk)
  1. Cantonese
    呢个 YouTube 频道专门将啲生锈嘅旧玩具还原。
    呢個 YouTube 頻道專門將啲生鏽嘅舊玩具還原。
    ni1 go3 ju1 tup1 pan4 dou6 zyun1 mun4 zoeng1 di1 saang1 sau3 ge3 gau6 wun6 geoi6 waan4 jyun4
    • This YouTube Channel shows how to restore old rusty toys.
  2. Cantonese
    还原
    還原
    waan4 jyun4
    • recover; restore
  3. Cantonese
    个侦探慢慢还原返事件嘅原貌。
    個偵探慢慢還原返事件嘅原貌。
    go3 zing1 taam3 maan6 maan5 waan4 jyun4 faan1 si6 gin6 ge3 jyun4 maau6.
    • The detective discovers the truth gradually.
Examples (Wiktionary)
  1. Mandarin
    还原
    還原
    huán yuán
    • to return to the original state, [chemistry] to reduce
  2. Mandarin
    氧化还原反应
    氧化還原反應
    yǎng huà huán yuán fǎn yìng
    • redox reaction