n. 1.【地质学；地理学】灾变说。 2.大难难免论，劫数难逃论。 n. -phist ,adj. (信奉)灾变说的(人)；(信奉)大难难免论的(人)。
Example Sentences:
1.
The iridium layer commonly used to support catastrophism fits into this theory as evidence for the extreme volcanism that would have been produced by the eruption of larasia and gondwana 至于那个支持灾变说的铱异常层，则可能是拉拉西亚和冈纳德万喷发时特别强大的火山作用的产物。
