你穿越墨西哥国境线需要同伴吗？

Do you need a companion to cross the Mexican borderline?

youdao

半夜前我们将穿过国境线。

We will be across the frontier by midnight.

youdao

目击者说，很多到了国境线的女孩子都遭到过侮辱。

Many of the girls arriving at the border had been raped, witnesses said.

youdao

the battle took place over some land that was being contested on a frontier and they would go down to that area and pick a spot and there they would go and fight with one another.

战争爆发是为了争夺国境线上的争议地区,他们会到那个地区,挑好地方,然后在那里大打出手

耶鲁公开课 - 古希腊历史简介课程节选

But when that's not true, then there is a typical sort of modern frontier, a land bridge which there a line is-a theoretical line is drawn through it, and on one side is one city, and the other side is another city.

但还不止这些天然边界,另外还有种边界形式,和现代国境线很类似,是由一座陆桥,分割出一条界线…假象的界线,界线的一边是一个城邦,另一边是另一个城邦

耶鲁公开课 - 古希腊历史简介课程节选