名词
中文翻译：滚筒
同义词：
['roll', 'drum', 'cylinder']
例句：
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1.The roller is used to roll the dough into a ball.
滚筒用来将面团滚成球。
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2.The roller is responsible for smoothing out the surface of the material.
滚筒负责平滑材料的表层。
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3. The roller was used to make the paint flow evenly across the canvas.
滚筒用于使油漆均匀涂在画布上。