Sunscreen / Suntan Lotion / Sunblock - 防晒油 .

Sunburn - 日晒伤.

Snorkeling - 浮潜。

Yesterday I went snorkeling at the beach. 昨天我在海边浮潜了。

Even though I used sunscreen my skin still got burnt by the sun. 即使我用过防晒油我的皮肤还是被太阳晒伤了。