英语语法分析

Here's a biography of John Muir.

这是约翰·缪尔的传记。

In the book, we meet John Muir as a youth fearlessly climbing the roof of his house.

在这本书中，我们看到约翰·缪尔作为一个年轻人无畏地爬上了他家的屋顶。

As America's first environmentalist, John Muir lived his life forever daring to undertake new adventures.

作为美国第一位环保主义者，约翰·缪尔一生都敢于冒险。