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5665 篇文章
has bushy gills to extract oxygen from the current.
Walden 21
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19 0 6

has bushy gills to extract oxygen from the current. 并依靠浓密的鳃从水中过滤氧气

current extract gills bushy oxygen has from the to
have to hang on for dear life.
Walden 21
•
19 0 1

have to hang on for dear life. 得有办法固定自己以保住性命

dear hang life for have to on
The hellgrammite, its body flattened to reduce drag,
Walden 21
•
19 0 0

The hellgrammite, its body flattened to reduce drag, 这是鱼蛉 其扁平的身体 能减少水的冲击力

drag reduce flattened hellgrammite body its the to
Streams join to form rivers,
Walden 21
•
19 0 1

Streams join to form rivers, 溪流汇聚成河

streams rivers form join to
it will travel hundreds of miles to the sea.
Walden 21
•
19 0 0

it will travel hundreds of miles to the sea. 行程数百英里回到大海

hundreds travel miles sea it of the to will
Growing from humble streams to mighty rivers
Walden 21
•
19 0 2

Growing from humble streams to mighty rivers 涓涓细流汇集成泱泱大河

mighty streams humble rivers growing from to
and the eagle has to struggle to control it.
Walden 21
•
19 0 2

and the eagle has to struggle to control it. 金雕不得不努力控制飞行

control eagle struggle has it the to and
The eagles work in pairs to separate a young crane from the flock.
Walden 21
•
19 0 1

The eagles work in pairs to separate a young crane from the flock. 两只金雕合作将一只小鹤 从队伍中分离出来

crane pairs eagles work separate flock young from in the to a
they use thermals, rising columns of warm air, to gain height.
Walden 21
•
19 0 3

they use thermals, rising columns of warm air, to gain height. 可它们会利用热空气 ——呈圆柱形上升的热气流来获取高度

columns thermals use height gain rising air they warm of to
The cranes must gain height to avoid the building storm.
Walden 21
•
19 0 0

The cranes must gain height to avoid the building storm. 鹤群必须提升高度 躲避正在形成的风暴

building height gain avoid cranes storm must the to