自然百科:黄石公园—夏天(13)
日期:2012-10-20 09:00
(单词翻译:单击)
She chews its tail first, to make sure the fish can't get away.
首先她咬住它的尾巴,确保鱼不能逃脱 。
While the pups are still demanding milk, the mother otter will often keep the whole fish for herself.
这时幼崽仍要求喂奶,而母水獭往往会为自己留住整条鱼 。
Her pups are happy enough with caviar.
有了鱼子酱她的幼崽感到非常快乐 。
As the flow becomes slow enough for the trout to lay eggs, there is a brief window of opportunity to spawn before the river gets too shallow to swim upstream.
随着水流变得缓慢足以让鲑鱼产卵,在河流变浅以致于不能游到上游前,这是一个短暂的产卵机会 。
The female digs a trough with sinuous flicks of her body.
母鲑鱼挖了一个槽, 她的蜿蜒身体可以进入 。
And the attending male fertilizes the eggs as they are laid.
而到来的男性们滋养了她们产下的卵 。
Millions of new lives.
这是数以百万计的新生命 。
注:听力文本来源于普特
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