triassic

[地]三叠纪的英释中释adjof, denoting, or formed in the first period of the Mesozoic era that lasted for 42 million years and during which reptiles flourished

三叠纪英释中释nthe Triassic period or rock system

1 middle triassic,中三迭世

2 triassic period,三叠纪，三迭纪