防曬指數 [－晒－数]

Jyutping fong4 saai3 zi2 sou3
Pinyin fáng shài zhǐ shù

Definitions (Wiktionary)
  1. noun
    sun protection factor; SPF
    (syn.) 防日光係數, 防日光系数, 防晒系数, 防曬係數