形容词
中文翻译：粗糙的
同义词：
['rough', 'coarse', 'coarse grained']
例句：
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1.The coarse-grained sand was difficult to pass through.
粗糙的沙子很难通过。
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2. The coarse-grained soil is not suitable for growing vegetables.
这种粗粒土壤不适合种植蔬菜。
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3. The coarse-grained sand is used in construction as a filler.
粗糙的沙粒用于建筑中作为填充材料。