The most influential proponent of the coastal migration route has been Canadian archaeologist Knut Fladmark.

沿海移民路线最具影响力的支持者是加拿大考古学家克努特·弗拉德马克。

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The six-week-old Knut weighs 3.9 kilograms (8.6 pounds).

六个星期大的克纳特体重3.9公斤。

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Knut then walked in circles until he fell into the water.

然后他走路转圈直到落水。

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Knut became world-famous after his birth in 2006, as news of his unusual upbringing emerged.

BBC: Star German polar bear Knut dies

The media frenzy over Knut boosted visitor numbers to 200, 000 in March - double the zoo's normal figure.

BBC: Polar bear cub Knut was defiant in the face of death threats

Ivanov met Thursday with Norwegian Foreign Minister Knut Vollebaek, chairman of the Organization for Security and Cooperation in Europe.

CNN: support sign