Triassic /trai'æsik/ 📖 中文释义 a. 三叠纪的 📘 English Definition(英文释义) n. from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activitya. of or relating to or denoting the first period of the Mesozoic era ← Triaspidinae T 字母词表 triassic acid →