常見(jiàn)例句雙語(yǔ)例句Melt along the southern edge of Greenland's ice sheet is now moving up its northwest coast, a new study shows.一項(xiàng)新的研究表明，格陵蘭冰蓋南部沿線(xiàn)的冰融如今正蔓延到它的西北海岸線(xiàn)。These findings have led to claims that a 2.5mile long comet or asteroid smashed into the ice sheet covering what is now Canada and the northern US.這些發(fā)現(xiàn)得出了這樣一個(gè)結(jié)論，即2.5英里長(zhǎng)的彗星或者小行星猛烈撞擊了現(xiàn)今加拿大和美國(guó)北部覆蓋的冰層。The Greenland ice sheet has survived natural warmer periods in history, the last about 120, 000 years ago, although it was much smaller then than it is now.格陵蘭冰蓋在歷史上經(jīng)歷過(guò)多個(gè)自然溫暖時(shí)期（最后一次是約120,000年以前）依然幸存， 盡管那時(shí)它比現(xiàn)在小得多。權(quán)威例句As a result, the sea is eating away the edge of the ice sheet at a faster rate.ECONOMIST: The scienceThe ice sheet's recent rate of loss—around 200 gigatonnes a year—represents a fourfold increase on a decade ago.ECONOMIST: The scienceBut it did not destabilise the ice sheet or provide a new reason to worry about rising sea levels.ECONOMIST: A meltdown tinged with acid 返回 ice sheet