碾磨 的中文句子和英文句子

胃石一种小石头，常发现于某些爬虫、鱼和鸟的胃中，通过帮助碾磨食物来帮助消化

A small stone found in the stomach of some reptiles, fish, and birds that aids in digestion by helping grind ingested food material.


他用碾磨机把谷物磨成面粉。

He used a miller to mill the grain into flour.