柯林斯詞典Triassic /tra???s?k/ 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 三疊紀的2. N the Triassic period or rock system 三疊紀; 三疊紀巖石 返回 triassic