ultraviolet

无

adj. 紫外的；紫外线的 n. 紫外线辐射，紫外光

Exposure to ultraviolet light is closely linked to skin cancer.

受紫外线照射与皮肤癌紧密相关。

The ozone layer shields the earth from the sun's ultraviolet rays.

臭氧层保护地球不受太阳紫外线的辐射。

Ozone is produced by the reaction between oxygen and ultraviolet light.

臭氧是氧气与紫外线发生化学反应而产生的。

无

看视频学发音

we took pictures of the Earthin the ultravioletusing NASA's Dynamic Explorer spacecraft.

which includes radio waves, microwaves,infrared, ultraviolet, x-rays,and gamma rays.

X-rays, useful when you go to hospitals.Then there's ultraviolet light.it's good for a nice suntan,

you're going to see what happens when we expose praying mantisesto pure ultraviolet light.LF: They all shine it back to us,

every kind of bacteria.And that's with ultraviolet light.We've actually known this for more than 100 years.

大学,出国,其他

北京成人本科学位英语,GRE填空及阅读机经,托福TPO阅读真题,经济学人(The Economist),医学英语(The Language of Medicine),中科院考博真题