英语语法分析

Their ages may be early Late Cretaceous and Late Cretaceous-Paleocene.

它们分属于晚白垩世早期、晚白垩世—古新世。

During Late Paleocene there were two greater transgressions in the sag.

晚古新世丽水凹陷经历了两次较大规模的海侵。

There he developed the experience and expertise that led to parallel exploration of the Paleocene in China.

在那里，他积累了专业知识和经验，并促成了对中国古新统进行的类似考察。