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 三曡紀的2. N the Triassic period or rock system 三曡紀; 三曡紀巖石 返回 triassic