noun ダウンロード 🔗共有 反芻動物 An artiodactyl ungulate mammal which chews cud, such as a cow or deer. Examples : "The farmer's herd of ruminants, including cows and sheep, provided him with milk and meat. " 牛や羊を含む、農夫の反芻動物の群れは、彼に牛乳と肉を提供した。 animal biology organism agriculture AIとチャット語彙ゲーム読解練習