英语语法分析

But the main building remained unimproved.

然而学校的主建筑仍然没有得到改善。

They are but improved means to an unimproved end, an end which it was already but too easy to arrive at;

它们只是对毫无改进的目标提供一些改进过的方法，其实这目标早就可以很容易地到达的；

For example, don't forget to order self-leveling outriggers if you're using your RT scissor lifts on unimproved surfaces.

例如，如果您将要在坏路面使用RT剪式升降机，请切记要订购自动持平支架。