怎么用英语解释臭氧层的定义?就是怎么用英语解释臭氧层,要它的英文定义.不是直接翻译“臭氧层”这个词.

A region of the stratosphere,between 15 and 30 kilometres in altitude,containing a relatively high concentration of ozone; it absorbs most solar ultraviolet radiation
A region of the upper atmosphere,between about 15 and 30 kilometers (10 and 20 miles) in altitude,containing a relatively high concentration of ozone that absorbs solar ultraviolet radiation in a wavelength range not screened by other atmospheric components.Also called ozonosphere.
差不多吧～绝对正确