英语听力：自然百科:黄石公园—夏天(11)

（单词翻译）

This female grew up on the lake, so she knows where to take the cubs¹ 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 trout² 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 spawning³.

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。