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1·It was actually my first time driving on an interstate highway in the US.

这是我第一次在美国的州际公路上开车。

2·From the first railroads to the interstate highway system, our nation has always been built to compete.

从第一条铁路建成到州际公路系统，我们的国家一直在建设之中。

3·The Interstate Highway System has been an important part of the nation's economic growth during the past 40 years.

去过去40年间，州际公路系统对美国经济增长起着重要的作用。

4·Before I even made it out of Massachusetts on the interstate highway, a car pulled out of a rest stop right in front of me.

我在州际公路上行驶，还没驶出马萨诸塞州，有一辆小汽车从一个中途停车点驶了出来，径直驶到了我的前面。

5·America is the nation that built the transcontinental railroad, brought electricity to rural communities, constructed the Interstate Highway System.

我们务必做得更好，美国事一个建设了州际铁路、将电力输往农村落社区、建设了州际高速雄路的国家。

6·CHINA's high-speed rail network is probably the world's most ambitious public-works project, a 21st-century equivalent of America's Interstate highway system.

中国的高速铁路网可能是世界上最雄心勃勃的公共工程项目：21世纪中国版的‘美国州际公路’。