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Nature’S patterns自然的模式
Water iS speciat特别的水
Woter in the air空气中的水
0ceans and seas大洋和海
Evaporation on land陆地上水的蒸发
Ctouds云
Mounta in clouds山头的云
Rain雨
Snow雪
The complete cycte完整的循环
Short water cycte水的短程循环
Long water cycte水的长程循环
Safty to fresh从咸水到淡水
Salt test盐的试验
Glossary词汇表
More books to read补充书目
Index索引
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