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[audioFiles]2015m6x/audio_ezfm_001_20154[/audioFiles]

游客2024-09-24  32
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答案                             Sea Ice
    Sea ice surrounding Antarctica reached a new record high extent this year. / It covers more of the southern oceans than it has / since scientists began a long-term satellite record to map sea ice extent in the late 1970s. / However, the upward trend in the Antarctic / is only about a third of the rapid loss of sea ice in the Arctic Ocean. / The new Antarctic sea ice record reflects the diversity and complexity of Earth’s environments. / A senior scientist has referred to changes in sea ice coverage as a result of global climate change. / The temperatures in some regions of the planet are colder than average. / Even in our warming world, / Antarctic sea ice has been increasing / and bucking the overall trend of ice loss. / The planet as a whole is doing what was expected in terms of warming. / Sea ice as a whole is decreasing as expected, / but just like with global warming, / not every location with sea ice will have a downward trend in ice extent.
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