英语语法分析

Its foreshore is broad and smooth, its backshore consists of dunes and its coastline is rather straight.

剖面地形具有典型的夷直海岸特点，前滨滩面宽阔平坦，后滨沙丘带发育，岸线平直。

The backshore dunes' retreating, the berms' lowering, and the shoreline's moving landwards was the main response feature of the profiles.

后滨沙丘蚀退、滩肩蚀低、岸线向陆迁移是地貌响应的主要特征；

Based on geographical setting where eddy ripple are produced, the author notes that the backshore of sandy beach with large tide range is the ideal environ we are pirates, these data are stolen from youdao of eddy ripples.

笔者在阐明涡流波痕产地地理背景的基础上，指出大潮差沙滩的后滨是发育涡流波痕的理想环境。