1. Device used to crush or pulverise plastic or solid coating to powder form. 压碎、研磨塑料或固体涂料成粉末形式的设备。
2. we pulverise these to make it powder-like and we mix it with cement and sand and put it in a mould and turn it into concrete products. 我们把这些压成细粉，然后混合在水泥及沙里，之后把它放在一个模盒里，作成混凝土制的产品。
英英解释
v.
1. destroy completely
2. become powder or dust
3. make into a powder by breaking up or cause to become dust
