Ice age data show that back in the 1970s and 1980s, old ice drifting into the Beaufort sea would generally survive the summer melt season.
冰川时期的数据表明，早在20世纪70年代和80年代，老海冰一旦流入波弗特海，一般就能安然渡过当年夏天的冰融季节。
This past winter's negative phase of the Arctic Oscillation transported old ice (four, five, and more years old) from an area north of the Canadian Archipelago.
去年冬天北极这种负向振荡从加拿大群岛北部地区运来多年老海冰(四，五年或更多年的老海冰)。
While the very oldest ice has all but disappeared, there has been an increase in two - and three-year-old ice, which could potentially thicken and slow the decline at least for a while.
虽然最老的冰川几乎都消失了，但是一些两三岁的冰川还在增加，它们可能会变厚，至少会在短时间内减缓冰川面积下降的趋势。
Using conventional drilling methods, it will take three summer seasons in the remote reaches of Antarctica to get to the million-year-old ice that the teams hope lies 3000 metres down.
用传统的钻冰方式，将会花掉三个暑天来获取遥远南极的冰芯，它们预期位于地下3000米深的冰层里。
She kept the buttons in an old ice-cream container.
她把纽扣放在一个旧冰淇淋盒里。
She kept the buttons in an old ice-cream container.
她把纽扣放在一个旧冰淇淋盒里。
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