gizzard

1. 1.

   A specialized organ constructed of thick muscular walls found in the digestive tract of some animals, including archosaurs (including crocodilians and birds), earthworms, some gastropods, some fish, and some crustaceans, and used for grinding up food, often aided by particles of stone or grit.

   砂囊,用于磨碎食物。

2. 2.

   thick-walled muscular pouch below the crop in many birds and reptiles for grinding food

   许多鸟类和爬行动物嗉囊下方用于研磨食物的厚壁肌囊

许多鸟类和爬行动物嗉囊下方用于研磨食物的厚壁肌囊；(鸟的)砂囊；胃；[医] 砂囊

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