臭氧提供天然的保护，防止太阳的有害紫外线的侵害，这种紫外线会导致晒斑，白内障，皮肤癌以及危害植物。
Ozone provides a natural protective filter against harmful ultra-violet rays from the sun, which can cause sunburn, cataracts and skin cancer as well as damage vegetation.
他认为，通常，在天然的大气扰动的作用下，低浓度臭氧气团会向南飘散到40或45纬度的地方。
Low-ozone air is often pushed southward to 40 or 45 degrees latitude by natural atmospheric disturbances, Rex said.
应用推荐