最終更新日：2024/07/30
(zoology) rocks which are or have been held inside the digestive tract of an animal to aid in buoyancy or food processing.
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gastrolith
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(zoology) rocks which are or have been held inside the digestive tract of an animal to aid in buoyancy or food processing.
gastrolith
DiQt（ディクト）
無料
★★★★★★★★★★
