英语语法分析

Terra also guides me to walk safely in the subway.

Terra 还引导我在地铁里安全行走。

Terra Preta soils turn up in large patches all over the Amazon, where they are highly prized by farmers.

Terra Preta 土壤在整个亚马逊地区大面积出现，农民们对其高度重视。

Now it seems the richness of the Terra Preta soils may explain how such civilizations managed to feed themselves.

现在看来，Terra Preta 丰富的土壤可以解释这些文明是如何养活自己的。