noun 下载 🔗分享 Dimetrodon属，二叠纪的肉食性合弓纲动物 A carnivorous synapsid, of the genus Dimetrodon, from the Permian period Examples : "The museum display featured a skeleton of a dimetrodon, a prehistoric animal with a large sail on its back. " 博物馆的展览展出了一具双齿兽的骨骼，这是一种背上长着巨大帆状物的史前动物。(Bówùguǎn de zhǎnlǎn zhǎnchū le yíjù Shuāngchǐshòu de gǔgé, zhè shì yīzhǒng bèi shàng zhǎngzhe jùdà fānzhuàngwù de shǐqián dòngwù.) animal biology history 与AI对话词汇游戏阅读练习
