英语语法分析

At low latitudes, the atmosphere is warm and the snowline is high.

在低纬度地区，大气温暖，雪线较高。

Below the snowline, rivers and rock falls are the main erosion agents.

在雪线下面，河水冲刷、岩石滚落是主要的土壤侵蚀者。

In colder climates, the snowline on mountains starts lower down, and erosion takes place at lower altitudes.

在更寒冷的气候条件下，山体上雪线的起点较低，而土壤侵蚀往往发生在低纬度地区。