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Jyutping so1 daa2
Pinyin shū dǎ

Definitions (CC-CANTO)
  1. (noun) baking soda (梳打粉); soda (loanword); soda pop
Definitions (粵典–words.hk)
  1. 名詞、外來語
    碳酸​鈉​嘅​俗​稱​,​化學式​Na​₂​CO​₃
    soda; sodium carbonate
  2. 名詞、外來語
    梳​打水
    soda water
Definitions (Wiktionary)
  1. noun, Cantonese
    soda
    (syn.) 純鹼, 苏打, 纯碱, 蘇打
Definitions (Kaifangcidian)
  1. 蘇打 – 苏打
  2. 碳酸鈉 – 碳酸钠
Examples (粵典–words.hk)
  1. Cantonese
    梳打水里面有好多气泡。
    梳打水裏面有好多氣泡。
    so1 daa2 seoi2 leoi5 min6 jau5 hou2 do1 hei3 paau1.
    • There are many bubbles in soda water.
  2. Cantonese
    梳打饼越食越肥㗎!
    梳打餅越食越肥㗎!
    so1 daa2 beng2 jyut6 sik6 jyut6 fei4 gaa3!
    • The more crackers you eat, the fatter you will get!