pumping

3 篇文章
Pumping gases into the atmosphere,
Walden 21
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Pumping gases into the atmosphere, 向大气中排放气体

pumping gases atmosphere into the
Pumping water through their bodies they strain out algae and other edible particles.
Walden 21
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19 0 3

Pumping water through their bodies they strain out algae and other edible particles. 他们用汲取海水,在身体里过滤 分离出藻类及其他可食用微粒

strain pumping algae edible particles bodies through their out they water other and
Vigorously pumping their tails, they work up some speed
Walden 21
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19 0 1

Vigorously pumping their tails, they work up some speed 用他们有力的尾巴加速

tails pumping vigorously work speed up some their they
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