英语语法分析

If your skin is dry, you have to slather on moisturizer to soften it.

如果你的皮肤干燥，就得多涂些润肤霜让它滋润。

《柯林斯英汉双解大词典》

I cover up, slather on the SPF50 and avoid the midday sun.

我把自己遮盖起来，涂上厚厚的防晒系数50的防晒霜，并且躲开中午的太阳。

Slather yourself with sunscreen before you leave home.

在你出家门之前在身上涂一层厚厚的防晒霜。