单词 | ozone gas |
释义 | ozone gas That air is often stagnant and cooked by sunshine that turns exhaust fumes into toxic ozone gas. Times, Sunday Times (2008) A layer of ozone gas in the stratosphere helps to protect the Earth from the full onslaught of the sun's ultraviolet radiation. Times, Sunday Times (2006) The reason for this is ozone gas in the stratosphere. Times, Sunday Times (2012) A layer of ozone gas in the stratosphere helps to protect the Earth from the full onslaught of the sun 's ultraviolet radiation. Times, Sunday Times (2006) |
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