名词
中文翻译：淤塞床
同义词：
['silted bed', 'stagnant bed']
例句：
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1.The river has been silting for years, making it difficult to navigate.
这条河已经淤塞多年，难以航行。
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2.The silt in the riverbed is causing the water to become stagnant.
河床上的淤泥导致水流变得停滞。
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3.The engineers were tasked with clearing the silt from the riverbed to improve navigation.
工程师们被指派清理河床中的淤泥以改善航行。