Use a sun block that filters UVA effectively.

使用能有效滤掉紫外线的防晒霜。

This sun block can protect your skin.

这种防晒霜能保护你的皮肤。

You need a sun block to protect your skin.

你需要一瓶防晒霜来保护皮肤。

Yes. Did you apply sun block lotion to your body?

是很漂亮。 你涂防晒霜了吗？

This sun block can stop your skin from being burned by the sun.

这种防晒霜能防止你的皮肤被太阳灼伤。