• adj. 紫外的；紫外線的
• n. 紫外線輻射，紫外光

ultra-, 超過的，極其的，violet, 紫色的。

ultraviolet (adj.)

"beyond the violet end of the visible spectrum," 1840, from ultra- + violet. Ultra-red (1870) was a former name for what now is called infra-red.

1. The container is invisible until you shine an ultraviolet light on it.

那個柜子只有用紫外線照射才可以看見。

來自柯林斯例句

2. It's called ultraviolet rays.

它被叫做紫外線.

來自《簡明英漢詞典》

3. The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet rays.

環(huán)繞地球的臭氧層保護(hù)著我們的皮膚免受紫外線的傷害.

來自《簡明英漢詞典》

4. Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.

臭氧最廣為人知的作用是保護(hù)地球免受太陽紫外線的傷害。

來自辭典例句

5. The sun's ultraviolet rays are responsible for both tanning and burning.

陽光中的紫外線是皮膚曬黑和灼傷的根源。

來自辭典例句