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1·Have any fish been contaminated in the Arctic Ocean?

北冰洋里有鱼受到污染了吗?《柯林斯英汉双解大词典》

2·Ice covers much of the Arctic Ocean.

冰覆盖了北冰洋的大部分地区。

3·Two thirds of it is the Arctic Ocean.

其中三分之二是北冰洋。

4·Scientists studied the Great Lakes in America and the Arctic Ocean in northern Canada.

科学家们研究了美国的五大湖和加拿大北部的北冰洋。

5·The Yenisei River starts in Mongolia and flows through Russia to the Kara Sea in the Arctic Ocean. It's 3,445 miles long.

叶尼塞河发源于蒙古，流经俄罗斯，汇入北冰洋的喀拉海。全长3445英里。

6·That shining sea is the Arctic Ocean.

那一片闪亮的的大海便是北冰洋。

7·Observations of the Arctic reveal that the Arctic Ocean is covered by less ice each summer than the previous summer.

对北极的观察显示，每个夏天北冰洋上面覆盖的冰川都比前一个夏天的要少。

8·Found in all the oceans of the world, including the Arctic Ocean, appendicularians tend to remain near the water's surface where the density of phytoplankton is greatest.

在世界上所有的海洋，包括北冰洋，尾海鞘都是出没在浮游植物密度最大的水域表面。

9·At certain times, apparently, more icebergs from the Arctic Ocean in the far north were traveling south well into the North Atlantic before melting and shedding their sediment.

显然，在某些时候，来自北冰洋最北端的更多冰山赶在融化沉积前向南漂入北大西洋。

10·Earlier this year, British explorer Pen Hadow and his team trekked for three months across the frozen Arctic Ocean, taking measurements and recording observations about the ice.

今年年初，英国探险家佩恩·赫德尔和他的团队在冰冻的北冰洋上跋涉了三个月，对冰层进行了测量和记录。