名词
中文翻译：低堤
同义词：
['low dam', 'low barrier']
例句：
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1.The low weir was designed to prevent flooding during heavy rains.
这个低堤设计用来防止暴雨期间的洪水。
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2. The engineers were working on the low weir to improve its efficiency.
工程师们正在努力改进低堤的效率。
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3. The low weir is a crucial part of the river's flood control system.
低堤是河流防洪系统的关键部分。