名词
中文翻译：锋利的码头
同义词：
['sharp point', 'sharp edge']
例句：
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1.The sharp dock was a hazard to the workers.
锋利的码头对工人构成危险。
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2.The sharp dock made it difficult for the boats to navigate.
锋利的码头使船只难以航行。
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3. The sharp dock was used to cut through thick ice.
锋利的码头被用来切割厚厚的冰层。