He hopes to drill cores that date back thousands of years at the Chukchi Sea margin, providing a detailed history of interaction between oceanic currents and ice.
他希望，在楚科奇海域能钻探出几千年前的岩心，为了解海洋水流和冰之间相互作用提供详实的历史资料。
There were fringes of ice along the sea margin, with drifting masses further out;
冰块环绕着海岸，再往外更有大块浮冰飘动着；
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