名词
中文翻译：沙丘序列
同义词：
['dunes', 'sand dune sequence', 'sandy dune sequence']
例句：
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1. The dunes are a natural barrier against the wind.
沙丘是抵御风的自然屏障。
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2.The dunes are home to many species of plants and animals.
沙丘是许多植物和动物的家园。
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3. The dunes are used for agriculture and tourism.
沙丘被用于农业和旅游。