verb, place word · to remove the outer shell or husk from grain using a millstone

他们正在场院里碾谷子，准备过冬的粮食。

verb · to grind, crush, or pulverize something into powder or small pieces using a heavy roller

医生把药片碾成粉末喂给孩子吃。

noun · a stone roller or a device consisting of a roller and millstone for processing grain

那个沉重的碾是由整块花岗岩凿成的。