Long white surplices, grave and seemly, gave place to gorgeous vestments and embroidered pluvials.

长长白色法衣，庄重得体，取代之是华丽法衣和刺衣。

And “pluvial” means rain, and it rained a whole awful lot.

“”是下，且下 了很多。

And their appearance in the fossil record corresponds with the Carnian pluvial episode, that period of intense seasonal rainfall that went on for two million years.

它们在化石记录中出现与卡尼期期相对应，那是持续 200 万年强烈季节性降时期。