柯林斯词典Triassic /traɪˈæsɪk/ 1. ADJ of, denoting, or formed in the first period of the Mesozoic era that lasted for 42 million years and during which reptiles flourished 三叠纪的2. N the Triassic period or rock system 三叠纪; 三叠纪岩石 返回 triassic