4Oil-drenched northern Rockhopper penguins on Nightingale island, 20 miles from the main island of Tristan da Cunha in the south Pacific Photograph: Kent Kobersteen/National Geographic/Getty Images

离南太平洋特里斯坦·达·库尼亚的主岛20英里的夜莺岛上，几只满身油渍的北凤冠企鹅。

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The study, which took a year and a half, included islands such as Lord Howe island east of Australia and Tristan da Cunha, a group of remote volcanic islands in the south Atlantic Ocean, among others.

这个持续了一年半的研究，包括诸如澳大利亚东部的Lord Howe岛和在大西洋南部的火山岛Tristan da Cunha岛等等。

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Tristan da Cunha is the main populated island in a small archipelago in the South Atlantic Ocean, located about 1,750 miles away from South Africa.

特里斯坦 达库尼亚 是主要的居住的小岛，该岛位于南大西洋，距离南非约1 750英里群岛中的很小一个。

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The British island group of Tristan da Cunha stands profoundly alone in the South Atlantic.

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