noun 下载 🔗分享 乳齿象 Extinct elephant-like mammal of the genus Mammut that flourished worldwide from Miocene through Pleistocene times; differs from elephants and mammoths in the form of the molar teeth. Examples : "Paleontologists discovered a well-preserved mastodon skeleton during an excavation. " 古生物学家在一次挖掘中发现了一副保存完好的乳齿象骨骼。 animal history biology geology 与AI对话词汇游戏阅读练习