北极海位于大西洋中，距佛得角海岛300英里。
The Arctic Sea was located in the Atlantic, 300 miles off the Cape Verde islands.
但是，网站谨慎地说，“北极海”的身份识别系统不可能还在船上。
It cautioned, however, that the Arctic Sea's Automatic Identification System equipment may not be on the ship itself anymore.
科学家发现温室效应气体甲烷总北极海岩床渗出的证据。
Scientists say they have evidence that the powerful greenhouse gas methane is escaping from the Arctic sea bed.
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