He met a turtle from the East Sea.

他遇见一只从东海来的海龟。

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The turtle told the frog about the East Sea.

海龟告诉青蛙关于东海的情况。

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The sun from the east sea-level rises, the sea gulls fly freely.

太阳从东方的海平面升起，海鸥在海面上自由飞翔。

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The development of oil and gas resources in the East Timor Sea has so far generated close to five billion dollars in revenue for the government.

VOA: standard.2009.08.28

Influenced by the writings of Fernand Braudel and Immanuel Wallerstein (historians who helped establish a tradition of global comparative history), large numbers of Japanese intellectuals are beginning to realise that a global economic system existed in the areas around the Indian Ocean, the Arabic Sea, the South China Sea, and the East China Sea long before the westernisation of the world.

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Beijing also offered help to its neighbor acrosss from the East China Sea.

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China has called off a scheduled round of talks with Japan over the exploitation of gasfields under the East China Sea.

ECONOMIST: China and Japan: Getting their goat | The