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spf

/ˌes.piːˈef/

翻译: SPF(防晒系数)是衡量防晒霜对紫外线B(UVB)防护能力的指标,表示皮肤在涂抹防晒产品后,出现晒伤所需时间相对于未涂抹时的倍数。数值越高,防护时间越长。

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noun

B2formalcommonmedical缩写/ˌes.piːˈef/

不可数 · 专有名词

An abbreviation referring to the degree to which a sunscreen protects the skin from the direct rays of the sun.

  • 🇨🇳SPF(防晒系数)是衡量防晒霜对紫外线B(UVB)防护能力的指标,表示皮肤在涂抹防晒产品后,出现晒伤所需时间相对于未涂抹时的倍数。数值越高,防护时间越长。
  1. Sun Protection Factor B1 formal

    A measure of how well a sunscreen protects the skin from UVB rays, which are the main cause of sunburn.

    • You should use a sunscreen with at least SPF 30.
    • The higher the SPF number, the more protection it offers.
    • She applied SPF 50 before going to the beach.

    🇨🇳防晒系数

  • spfs plural form
  • spfs' possessive plural form
  • spf's possessive singular form