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。
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。
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.
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