Triassic

/trai'æsik/

BNC频率: 29569

a. 三叠纪的

n. from 230 million to 190 million years ago; dinosaurs, marine reptiles; volcanic activity

a. of or relating to or denoting the first period of the Mesozoic era

late Cambrian to late Triassic

as, the ichnites in the Triassic sandstone.

The upper division of the European Triassic

Devonian through Triassic

A kind of shell limestone, whose strata form the middle one of the three divisions of the Triassic formation in Germany. See Chart, under Geology.

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更新时间：2025-07-07 09:59:34