形容词
中文翻译：粗糙的
同义词：
['rough', 'coarse', 'thick', 'rough-hewn例句：1. The coarse sand was difficult to walk on.（粗糙的沙子很难走。）']
例句：
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1. The coarse sand was difficult to walk on.
粗糙的沙子很难走。
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2.The coarse brush made the painting look more realistic.
粗糙的刷子让这幅画看起来更真实。
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3. The coarse material is not suitable for clothing.
这种粗糙的材料不适合做衣服。