Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford Dictionary

   ozone layer

   英式

   • n.
     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.

   • noun: ozone layer

2. • 更多解釋

   ozone layer

   • IPA[ˈōˌzōn ˈlāər]

   美式

   • n.
     a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a ...

   Oxford American Dictionary