sun block

例句：

1. 1.We put on the sun block before going outside.
   我们出门前涂了防晒霜。
2. 2.The sun block protects your skin from harmful UV rays.
   防晒霜保护你的皮肤免受有害紫外线的伤害。
3. 3. She applied the sun block generously to all exposed areas of her face.
   她把防晒霜均匀地涂抹在脸上的所有暴露部位。