英语语法分析

In the midst of the snowfields of Greenland lies Alpha Polaris, anAmerican oil research station.

在格陵兰岛中部无尽的雪原中，坐落著一座美国石油勘测站——阿尔法北极星。

Water vapor also is gained by sublimation from snowfields and by transpiration from vegetation and trees.

也可以从雪地中雪的升华和从植物与树木的蒸腾获得水蒸气。

Formed by melting snowfields high in the Swiss Alps, the 1 mighty Rhine carves an 800-mile channel through the heart of Europe.

浩荡的莱茵河由瑞士阿尔卑斯山雪原上的融雪汇聚而成，在欧洲内陆开凿出一条八百英里的水道。