gizzard

/ˈɡɪz.ɚd/

名词

（鸟等的）砂囊，（鸡鸭的）胗
Most water birds keep grit, quartz, and other small stones in their muscular gizzard to help grind up food.
大多数水鸟都会在肌肉发达的砂囊中保留砂砾、石英和其他小石子，以帮助研磨食物。