lt's a little crazy for me to be writing about migration patterns without actually knowing how they stay underwater for so long.
对我来说，在不知道它们是如何在水下呆这么久的情况下，写它们的洄游模式有点疯狂。
But however birth rates and migration patterns change, America's geographical size will be a huge advantage.
但无论出生率和迁移模式怎样变化，美国的地理广度都将是巨大的优势。
The survey also found that birds were altering their nesting and migration patterns, and travelling further to find food.
研究同时发现，有些鸟类的筑巢、迁徙习惯也有所改变，为了觅食，它们需要飞行更多距离。
Third, Heil mentioned that great white shark migration patterns take the sharks down the U.S. East Coast during the summer, putting them closer to populated areas.
第三，海尔提到夏季大白鲨沿着美国东岸洄游，而这海岸正是人们海上活动聚集的地方。
Third, Heil mentioned that great white shark migration patterns take the sharks down the U. s. East Coast during the summer, putting them closer to populated areas.
第三，海尔提到夏季大白鲨沿着美国东岸洄游，而这海岸正是人们海上活动聚集的地方。
Even their migration patterns, when they move from some of the Southern Ocean's most productive waters into those that are marginal, are likely shaped by the fear of predators.
即便是它们的迁移规律——从食物丰富的南部海域迁至边际地带——也很可能是因为害怕被捕食所致。
Even their migration patterns, when they move from some of the Southern Ocean's most productive waters into those that are marginal, are likely shaped by the fear of predators.
即便是它们的迁移规律——从食物丰富的南部海域迁至边际地带——也很可能是因为害怕被捕食所致。
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