Finally the Polos reached the Persian town of Saba, to the south of the Caspian Sea.

最后,波罗一行到达了波斯国的席巴城, 该城位于里海以南.

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Dr. Saba Saba had a hip fracture and ended up having a hip replacement.

沙巴医师曾有过骨折,最后替换髋关节.

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Saba Douglas Hamilton joins arctic expert Jason Roberts in the remote Svalbard Archipelago to find out.

北极居民之一的北极熊的身体构造有赖严寒天气才能正常地生活,温室效应对它们造成什麽影响?

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