Snow amplifies the ultraviolet rays of the sun and can damage the eyes.

雪会将紫外线放大，损害双眼。

Both of these ingredients are used to help protect people from the sun's ultraviolet rays.

这两种成分被用来帮助保护人们免受太阳紫外线的灼伤。

The purpose of sunscreen is to shield the body from the Sun's ultraviolet rays, which have several harmful effects, including sunburn, aging, and skin cancer promotion.

防晒霜的功用是保护皮肤、隔离太阳的紫外线。紫外线有不少害处，包括晒伤、皮肤老化，也可能造成皮肤癌。

Both of these ingredients are used to help protect people from the sun's ultraviolet rays but some scientists believe that when they wash off people's skin, they're harmful to marine ecosystems like coral reefs.

这两种成分都被用来保护人们免受太阳紫外线的伤害，但是一些科学家认为，当它们洗掉人们的皮肤时，对海洋生态系统如珊瑚礁是有害的。

As the moon has no atmosphere, this technique will use the ultraviolet rays on the moon to cure the resin and make any 3D printed structure harden.

由于月球没有大气层，这项技术将利用月球上的紫外线固化树脂，使任何 3D 打印结构变硬。