核冬天 [－－－]

Jyutping wat6 dung1 tin1
Pinyin hé dōng tiān

Definitions (Wiktionary)
  1. noun
    nuclear winter

核冬天 [－－－]

Jyutping hat6 dung1 tin1
Pinyin hé dōng tiān

Definitions (CC-CEDICT)
  1. nuclear winter