英语语法分析

Hotshots are employed by the U. S. forest Service Firebreak.

快车员就是美国林务局使用的。

You can see a firebreak here made by cutting the miscellaneous trees to prevent forest fires.

为了防止山火，此处的杂木被砍伐，取而代之的是防火线。

Within a displaced persons camp, build a firebreak 50 m wide approximately every 300 m of building area.

在一个灾民安置区的建筑区域，大约每300米要修一条宽50米的防火道。