防曬係數 [－晒系数]

Jyutping fong4 saai3 hai6 sou3
Pinyin fáng shài xì shù

Definitions (Wiktionary)
  1. noun
    sun protection factor; SPF
    (syn.) 防晒指数, 防日光係數, 防日光系数, 防曬指數