The strip of land, known as the Isthmus of Panama, was formed about 3.5 million years ago.

巴拿马形成于350万年前。

But isn't that isthmus only composed of quicksand?

那么，这只是由松动的沙土形成的吗？

Yes, last night, in a matter of minutes, we cleared that insuperable isthmus.

对，就是昨夜，几分钟内，我们便走过了这不能走过的。

But they are technically connected by land to one another across the narrow Isthmus of Panama.

但严格来说，它们是通过陆上狭窄的巴拿马互连接的。

For thousands of years now people have been walking across the Isthmus of Panama between the two halves of America.

几千年来，人们一直步行穿过南北美洲两部分之间的巴拿马。

Strauss chose the fastest route, across the Isthmus of Panama.

施特劳斯选择了最快的路线，穿过巴拿马。

They itched to visit a famous isthmus and planned a wonderful itinerary.

他们渴望游一处著名的并计划了一条很棒的路线。

Today,nearly 14,000 vessels travel through the isthmus annually— each in under 12 hours.

如今，每年有将近 14,000 艘船只穿越——每艘船只的航行时间都在 12 小时以内。

Otherwise, in his Latin American initiatives, Harrison advocated construction of a Central American isthmian canal.

否则，在他的拉丁美洲倡议中，哈里建造一条中美洲运河。

To truly connect these two bodies of water shipping interests needed a canal— a continuous maritime passage through the isthmus.

为了真正连接这两个水域， 航运需要一条运河— —一条穿过的连续海上通道。

The British rejected this effort to settle the stressful issue of European construction of an isthmian canal.

英国人拒绝了这一解决欧洲人修建运河这一紧问题的努力。

When Great Britain moved to assert her interest in an isthmian canal, he reminded her of the Monroe Doctrine.

当英国采取行动维护她对运河的兴趣时，他让她想起了门罗义。

He began to restore diplomatic harmony with Mexico, and an American-built railroad was constructed across the Isthmus of Tehuantepec.

他开始恢复与墨西哥的外交和谐, 一条美国建造的铁路横跨特万特佩克。

The museum's eight galleries celebrate the history of the Central America Isthmus, as one of the world's richest deco systems. BBC News.

博物馆的八个展厅展示了中美洲的历史，它是世界上最丰富的装饰系统之一。英国广播公司的新闻。

It had made its way from the south, crossing the still-forming Isthmus of Panama and onto the coastal plains of Texas and then Florida.

它从南方出发，穿过仍在形成的巴拿马，进入得克萨斯州的沿海平原，然后进入佛罗里达州。

The only hope for avoiding a grueling six month wagon journey was to travel the narrowest portion of the continent— the 48-kilometer Isthmus of Panama.

避免六个月的艰苦旅行的唯一希望是穿越大陆最狭窄的部分——48 公里的巴拿马。

When this exciting news reached the East, a mighty rush began to California, over the trails, across the Isthmus of Panama, and around Cape Horn.

当这个令人振奋的消息传到东方时， 人们开始涌向加利福尼亚，越过小径，穿过巴拿马， 绕过合恩角。

To move goods between Asia and the Mediterranean basin, traders had to traverse the narrow isthmus separating the Red Sea and the Nile, journeying in camel-bound caravans through the unforgiving desert.

在亚洲和中海盆之间运输货物，商人不得不穿越分隔红海和尼罗河的狭窄的，骑着骆驼的大篷车上穿过无情的沙漠。

To have gained a prize in the Olympic, Isthmian, or Nemaean games, gave illustration, not only to the person who gained it, but to his whole family and kindred.

在奥林匹克运动会、运动会或 Nemaean 运动会中获奖，不仅对获奖者，而且对他的全家和亲属都起到了示范作用。

The latter desert separated advanced human societies of Mesoamerica from those of North America, while the isthmus separated advanced societies of Mesoamerica from those of the Andes and Amazonia.

后者将中美洲的先进人类社会与北美的人类社会分开，而将中美洲的先进社会与安第斯山脉和亚马逊区的人类社会分开。