They are planning to build a faithful recreation of the original frontier town.

他们正计划建造一座和原来边境城镇一模一样的复制品。

《柯林斯英汉双解大词典》

Warehouses at the frontier between the two countries fill up with sacks of rice and flour.

两国交界处的仓库里装满了一袋袋大米和面粉。

《柯林斯英汉双解大词典》

The rebels control the frontier and the surrounding area.

叛乱分子控制了边疆地区。

《牛津词典》

The people of that frontier state were once famous for not believing everything people told them.

VOA: special.2009.08.16

If Frederick Jackson Turner had anything right in "The Frontier Thesis", although he didn't pay hardly any attention to the South, this idea of a safety valve of a West to move to was surely there for slavery.

如果弗雷德里克·杰克逊·特纳,在《边境论》中有什么正确的言论,那就是,尽管他对南方几乎没有施以任何关注,即这个西进运动是一道安全阀的构想,显然是为奴隶制而设的

耶鲁公开课 - 美国内战与重建课程节选

.. I computed the efficient portfolio frontier for various-- it's the efficient portfolio frontier using the formula I just gave you.

我计算了来自不同组合有效边界-,这一条有效投资组合边界,就是用刚刚给出的公式算出来的。

耶鲁公开课 - 金融市场课程节选

Mr Obama has dubbed the Afghanistan-Pakistan frontier the world's most dangerous place.

ECONOMIST: Pakistan's extremists: The slide downhill | The

The British-drawn boundary between the two countries is disputed by Afghanistan, which doesn't recognize as an international frontier the so-called Durand Line that cuts through the ethnic Pashtun heartland.

WSJ: Afghan, Pakistani Forces Clash

The proposals were never shown to the Poles, nor to us, and though they were announced in a German broadcast on Thursday night, Hitler did not wait to hear comments on them but ordered his troops to cross the Polish frontier the next morning.

BBC: Prime Minister Chamberlain declares war