A double solid line border.

双实线边框。

youdao

Due south, directly over the Spin mountain range in front of me, is the crooked line of the Pakistan border, drawn by a British diplomat in 1893.

正南方，也就是我面前旋转山脉的正上方，是一位英国外交官在1893年勾勒出的巴基斯坦弯曲的边界线。

youdao

A line of forts was built along the border to protect the country against attack.

边界沿线构筑了碉堡，以防敌人进攻该国。

youdao

He says agents working at airports, seaports and border crossings are often the first line of defense for victims.

VOA: standard.2010.07.23

and Mexican officials. Every day, thousands of people on foot and in vehicles go back and forth across the border here, and millions of dollars worth of products cross the line in trucks and railroad cars.

VOA: standard.2009.04.30

In some cases, we are talking here about border line Tea Party types.

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Outside of oil and gas, Hunt owns stakes in power plants in the Northeast, transmission lines in Texas, including a 150 megawatt cross-border line with Mexico built in 2007.

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Because it will have a huge knock-on effect for all those people who are on the border line, who are just getting by, if the Fed raises that rate they're going to be in trouble.

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