磙子是词语，拼音是gǔnzi，泛指圆柱形的碾轧器具。
他把药材放在石槽中，然后用磙子碾碎了它们。
He put the medicine into the stone groove and used a roller to grind it.
门的一侧，摆着一张花园坐椅，另一侧，有个石磙子。
A garden-seat stood on one side of the door, and on the other a roller;
由于没有人带刀，于是他就剥下橡皮清洁刷上的橡胶磙子，开始用它的金属刃口划开墙体。
As no one had a knife, he pulled the rubber from his squeegee and used its metal edges to begin cutting.
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