at

831 篇文章
at the whim of the currents.
Walden 21
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15 0 0

at the whim of the currents. 还要看洋流的脸色

whim currents at of the
they pierce the surface at close to 90 kilometers an hour.
Walden 21
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15 0 3

they pierce the surface at close to 90 kilometers an hour. 以接近每小时90公里的速度刺入水面

kilometers pierce hour close surface an at they the to
he's a master at changing direction.
Walden 21
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15 0 0

he's a master at changing direction. 非常善于变向

master changing he's direction at a
...beating wings at 80 times a second.
Walden 21
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15 0 0

...beating wings at 80 times a second. 翅膀每秒煽动80次

wings beating second times at a
And their descendants are still at it today.
Walden 21
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15 0 3

And their descendants are still at it today. 它们的后代 至今任保持着这样的行为方式

descendants today at their it still are and
At first, they were small creatures,
Walden 21
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15 0 2

At first, they were small creatures, 起初 它们是小型生物

at small first they creatures were
is tumbling towards Earth at 100,000 kilometers per hour.
Walden 21
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15 0 1

is tumbling towards Earth at 100,000 kilometers per hour. 正以每小时10万公里的速度坠向地球

kilometers tumbling per hour towards at is earth
It will wait for hours at a time for signs of passing heat.
Walden 21
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15 0 1

It will wait for hours at a time for signs of passing heat. 它会等待经过的热痕迹 一等就是几个小时

signs passing wait heat hours at time it for of will a
for back at the den...
Walden 21
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15 0 1

for back at the den... 因为在巢穴里

back at den for the
But at the same time...
Walden 21
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15 0 0

But at the same time... 但是与此同时

same at time the but