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This female grew up on the lake, so she knows where to take the cubs for a very special trip.
这只母兽在湖边长大,所以她知道在这次非常特殊的旅行中带幼崽去哪里。
Yellowstone cutthroat trout are massing in the mouth of the stream that feeds the lake.
黄石鲑鱼在湖口集结。
They are preparing for their annual spawning.
它们正准备一年一度的产卵。
But the trout must wait, the stream is still running fast, too turbulent to lay their eggs.
但鲑鱼必须等待,溪水仍然湍急,这种湍流不能产卵。
It's a nervous time for them, and for good reason.
对它们来说这是一个紧张的时期,而且理由十分充分。
注：听力文本来源于普特
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