SPF实际上是“防晒伤指数”，虽然我们常称它为“防晒指数”。

SPF is really sunburn protection factor, even though we call it sun protection factor.

youdao

SPF实际上是“防晒伤指数”，虽然我们常称它为“防晒指数”。

SPF is really sunburn protection factor, even though we call it sun protection factor.

youdao