they

1297 篇文章
they fish out fallen food.
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they fish out fallen food. 它们拣食落在水中的食物

fallen fish out they food
they slow down, release their sediment and build deltas.
Walden 21
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they slow down, release their sediment and build deltas. 水流减缓 留下大量泥沙 堆成了三角洲

deltas release sediment slow build their down they and
They nest alongside wood stocks in colonies thousands strong.
Walden 21
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They nest alongside wood stocks in colonies thousands strong. 它们将巢建在树干上 一群多达好几千只

colonies stocks wood nest alongside thousands strong they in
They patrol the feeding shoals,
Walden 21
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They patrol the feeding shoals, 它们穿梭于觅食的鱼群中

shoals patrol feeding they the
They pick up rocks in their jaws
Walden 21
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They pick up rocks in their jaws 它们用长嘴捡起石块

pick jaws rocks up their they in
In these murky waters they rely on sonar to navigate and hunt.
Walden 21
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In these murky waters they rely on sonar to navigate and hunt. 它们利用回声定位 在昏暗的水中探路和捕食

navigate sonar murky rely hunt waters these they in to on and
They work together to drive shoals of fish into the shallows.
Walden 21
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They work together to drive shoals of fish into the shallows. 它们一起合作把鱼群赶到浅水区

shallows shoals drive together fish work into they of the to
They are the key scavengers in this lake.
Walden 21
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19 0 1

They are the key scavengers in this lake. 它们是湖里不可或缺的“清洁工”

scavengers key lake they in the this are
they will all drop to the water surface,
Walden 21
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they will all drop to the water surface, 便会一起落到水面

surface they water all drop the to will
In the rainy season they balloon up to the surface
Walden 21
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19 0 2

In the rainy season they balloon up to the surface 每到雨季 它们便充气浮上水面

balloon rainy surface season up they in the to