比如说，它们通常定期形成于南非好望角海岸及南大样的格凌兰岛沿岸，并以从深海上升来的营养物为食。

Red tides, for example, regularly form off the Cape coast of South Africa, fed by nutrients brought up from the deep, and off Kerguelen island in the Southern Ocean.

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在格凌兰、加拿大、西伯利亚的部分地区，狗仍然被用来拖雪橇。目前，还没有其它运输方式能取代它们。

In parts of Greenland, Canada, and Siberia, dogs are still used to pull sleds. No other means of transportation has yet replaced them.

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在格凌兰、加拿大、西伯利亚的部分地方，狗仍然被用来拖雪橇。

In parts of Greenland, Canada, and Siberia, dogs are still used to pull sleds.

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