Walruses are known for their.... - tusks.
而海象以其。-以其长牙而闻名。
Several thousand walruses are on the beach, packed shoulder to shoulder.
数千海象伏在海岸上，摩肩擦踵。
They say this would threaten walruses and the whole ecosystem in the Arctic Ocean.
他们说，这会严重威胁到这些海象，甚至是北冰洋的整个生态系统。
More than one hundred thirty walruses died during similar conditions in two thousand nine.
在2009年，就有一百三十多只海象因为类似的拥挤环境而死亡。
More than one hundred thirty walruses died during similar conditions in two thousand nine.
在2009年，就有一百三十多只海象因为类似的拥挤环境而死亡。
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