rumen /'ru:men/ 📖 中文释义 n. 瘤胃[医] 瘤胃(反刍动物的第一胃) 🔗 释义中的汉语词 瘤胃 🧩 词形变化 复数 rumens 📘 English Definition（英文释义） n. the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing ← rumbustiousness R 字母词表 rumenitis →