英语语法分析

In 2011, many of the water bodies have merged, and water sits on floodplains throughout the region.

2011年，许多水域合并一体，洪水开始在整个区域泛滥起来。

Small streams (and their adjacent floodplains) of the Araguari River extend like fingers throughout the landscape.

阿拉瓜里河的支流(以及它们邻近的冲积平原)像触手一样在这幅风景画中四处伸展。

What most surprised the research team is that the earthworks appear in both the region's floodplains and the uplands.

最令研究小组惊讶的是，这些土方工程在该地区的冲积平原和高地均有出现。