单词 | ozone layer |
释义 | ozone layer (once / 4526 pages) n WORD FAMILY ozone layer USAGE EXAMPLESReferencing past efforts to minimize damage to the ozone layer, the Dalai Lama said that raised the chances of similar cooperation on climate change. Seattle Times(Nov 22, 2016) Initially, the consequences for the ozone layer caused most concern. Economist(Sep 22, 2016) Under the Montreal Protocol of 1987, countries agreed to phase out gases known to be harmful to the ozone layer. The Guardian(Nov 03, 2016) n a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun Syn|Hyper ozonosphere layer a relatively thin sheetlike expanse or region lying over or under another |
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