scenarios

imagine the scenarios for four short stories.

设想四篇短篇小说的梗概。

In both cases, the researchers have evoked scenarios of Cretaceous vicariance, followed by endemic species radiation within Madagascar and subsequent dispersal from Madagascar to other areas.

这些情形，研究员已经考虑了白垩纪的隔离，接着特有种在马达加斯加听散及随后从马达加斯加扩散到其中地区域。