放光蟲 [－－虫]

Jyutping fong3 gwong1 cung4
Pinyin fàng guāng chóng

Definitions (CC-CANTO)
  1. firefly
Definitions (粵典–words.hk)
  1. 名詞
    會發​光​嘅​蟲
    light-emitting bug