A layer in the earth's stratosphere at an altitude of about 10 km (6.2 miles) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.
臭氧层（位于高度10公里，即6.2英里处的平流层内，吸收大部分来自太阳的紫外线）
Example sentencesExamples
The ozone layer is extremely important as it strongly absorbs the ultraviolet radiation from the Sun.
Every Antarctic spring, a hole appears over Antarctica in the stratospheric ozone layer.
In the absence of the ozone layer harmful ultraviolet radiation is able to reach the surface of the Earth in higher doses.
The hole in the ozone layer was discovered by British scientists in Antarctica working on atmospheric physics.
It is possible that the increase in carbon dioxide will saturate the earth's oceans, causing damage to the ozone layer.
Definition of ozone layer in US English:
ozone layer
nounˈōˌzōn ˈlāərˈoʊˌzoʊn ˈleɪər
A layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.
臭氧层（位于高度10公里，即6.2英里处的平流层内，吸收大部分来自太阳的紫外线）
Example sentencesExamples
It is possible that the increase in carbon dioxide will saturate the earth's oceans, causing damage to the ozone layer.
The hole in the ozone layer was discovered by British scientists in Antarctica working on atmospheric physics.
The ozone layer is extremely important as it strongly absorbs the ultraviolet radiation from the Sun.
In the absence of the ozone layer harmful ultraviolet radiation is able to reach the surface of the Earth in higher doses.
Every Antarctic spring, a hole appears over Antarctica in the stratospheric ozone layer.