这些活动对当地产生了重大影响，特别是在修建道路等基础设施方面，改善了通往边远地区的道路。

Such activities had a major effect on the local area, in particular with the construction of infrastructure such as roads, which improved access to remote areas.

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他们正在调查负责修建道路的那个人。

They are investigating the man in charge of the road construction.

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它能做事情-修建道路，铁路，发电厂。

It does things - builds roads, trains, power plants.

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Built bridges and roads and automobiles, so we can get from one place to another relatively quickly because of that.

桥梁和道路的修建以及汽车的出现,使我们能够快速地,从一个地方到另一个地方

耶鲁公开课 - 生物医学工程探索课程节选