名词
中文翻译：沙堤
同义词：
['barrier', 'barrier reef', 'sand dune例句：1. The sand bar is a natural barrier that separates the two beaches.（沙堤是一道自然屏障，将两个海滩分隔开来。）']
例句：
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1. The sand bar is a natural barrier that separates the two beaches.
沙堤是一道自然屏障，将两个海滩分隔开来。
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2. The sand bar is home to many species of marine life.
沙堤是许多海洋生物的家园。
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3.The sand bar was formed by the slow accumulation of sand over time.
沙堤是由沙子逐渐积累形成的。