名词
中文翻译：未加工的原材料
同义词：
['rough', 'unfinished', 'raw material']
例句：
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1. The carpenter was working on a new piece of furniture.
木匠正在制作一件新的家具。
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2. The builders were using the rough bricks to build the walls.
建筑工人正在使用粗糙的砖块来建造墙壁。
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3. The artist used the raw materials to create a masterpiece.
艺术家使用了原始材料创作了一件杰作。