英语语法分析

This paper dwells the concepts of retrogressive aggradation and the datum of erosion.

本文阐述了溯源淤积和侵蚀基准面的概念。

The academic circle all agree that Zhuangzi's social perspectives were retrogressive, and should be criticized.

学界一致认为庄子的社会观是倒退的，应受到批判。

The eclogite remains well its original characteristics, which has only suffered slight retrogressive metamorphism.

榴辉岩原始特征保存完好，仅遭受轻微的退变质作用和叠加变质作用。