noun 下载 🔗分享 反刍动物 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. " 这位农民饲养的这些反刍动物,包括牛和羊,为他提供了牛奶和肉。 animal biology organism agriculture 与AI对话词汇游戏阅读练习