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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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