when

580 篇文章
The dense shoals, on which so many depend gather only when water conditions are perfect.
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The dense shoals, on which so many depend gather only when water conditions are perfect. 只有在水况非常好的情况下 才会出现这样的鱼群聚集

perfect dense shoals conditions which gather depend many only water when the are so on
Predators here must grab what they can, when they can
Walden 21
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Predators here must grab what they can, when they can 掠食者在这里想怎么吃就怎么吃

grab predators what here can must they when
and when it's time for everyone to leave she leads the way.
Walden 21
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19 0 1

and when it's time for everyone to leave she leads the way. 她正在带着所有的宝宝们离开巢穴

leads leave everyone way time she for when it's the to and
They were alive before the pyramids were built and were already three thousand years old when Christ was born.
Walden 21
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19 0 1

They were alive before the pyramids were built and were already three thousand years old when Christ was born. 它们在金字塔建造之前就发芽了, 耶稣诞生的时候它们已经活了3000年

christ pyramids built alive was thousand old three already born they when before the and were years
Adults can only raise young here in years when the seasonal vole crop is big enough to support them.
Walden 21
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19 0 2

Adults can only raise young here in years when the seasonal vole crop is big enough to support them. 成鸟能在这里养育小宝宝 表示今年的田鼠够多可以养活它们

vole adults support raise big crop seasonal enough young here can only is when in them the to years
It's wise to eat all you can, when you can
Walden 21
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It's wise to eat all you can, when you can 能吃多少就吃多少

wise eat can all when it's you to
and when even a glutton can't eat more it stores what's left for later, in the surrounding deep freeze.
Walden 21
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and when even a glutton can't eat more it stores what's left for later, in the surrounding deep freeze. 当吃不下的时候 就把食物储存起来,以应付酷寒的到来

glutton stores freeze what's later surrounding deep can't left eat more it for when in the even and a
Birds are fortunate. When the seasonal crop is gathered, they can fly south
Walden 21
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Birds are fortunate. When the seasonal crop is gathered, they can fly south 鸟类是幸福的.当收获季节结束时,它们可以向南方飞去

fortunate fly crop seasonal gathered birds south can they is when the are
Within a few days they develop spots of pigment which, when they're adult, they will use to communicate with one another.
Walden 21
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19 0 6

Within a few days they develop spots of pigment which, when they're adult, they will use to communicate with one another. 几天后它们长出一些色斑 等到成熟后,就可以用这些色斑来互相联系

communicate spots pigment develop adult use within which another few they're days with they of when to will one a
When it's actions are speeded up,
Walden 21
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When it's actions are speeded up, 在快速镜头下

speeded actions up when it's are