| 释义 |
臭氧层chòuyǎngcéng平流层中臭氧集中的一层,距地面20—30公里。太阳射向地球的紫外线大部分被臭氧层吸收。{ozonosphere; ozone layer; layer of air in the stratosphere 20-30 km. above the earth surface, containing large amounts of ozone that absorbs most of the harmful ultraviolet rays from the sun before they reach the earth}参看see【大气层】{dàqìcéng}。 |