1. 臭氧 Ozone is a colourless gas which is a form of oxygen. There is a layer of ozone high above the earth's surface.
e.g. 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地球免受太陽(yáng)紫外線(xiàn)的傷害。 e.g. What they find could provide clues to what might happen worldwide if ozone depletion continues. 他們的發(fā)現可以揭示如果臭氧持續減少,世界范圍內可能會(huì )出現什么情況。
ozone英英釋義
noun
1. a colorless gas (O3) soluble in alkalis and cold water a strong oxidizing agent can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)