白瓜子 [－－－]

Jyutping baak6 gwaa1 zi2
Pinyin bái guā zǐ

Definitions (CC-CANTO)
  1. (food) pumpkin seed kernels
Definitions (粵典–words.hk)
  1. 名詞
    一種​鎮靜劑​同​安眠​藥
    zopiclone; literally "white melon seed"
Definitions (Wiktionary)
  1. noun, Hong-Kong, slang
    zopiclone
    (syn.) 佐匹克隆