broad spectrum spf 50是什么意思

broad spectrum spf 50是什么意思

broad spectrum spf 50

广谱的SPF 50

双语对照

例句:

1.

Now spf 50, 70, even 100 are everywhere.

现在防晒指数为50,70，甚至是100到处都是。

2.

The fda is considering a proposal to cap the spf indicator at'50+,' based on research that anything higher than 50 is onlyslightly better.

基于认为高于50的spf值增加的保护效果甚微的研究，fda正考虑提议将spf指数的上限定为“50+”