A series of mock attacks on various German border stations set the stage for a "defensive" swarming into Polish territory.

他们假装袭击了德波边境的若干德方哨所，遂以自卫为由大举入侵波兰。

youdao

A series of massive mountain ranges includes the Alps, which separate France and Italy, and the Jura Mountains that delineate the Franco-Swiss border.

连绵起伏的山脉包括阿尔卑斯山脉横亘于法国和意大利之间，形成了一道天然国界；而侏罗山脉则延绵构成了法国和瑞士难以逾越的国界。

youdao

Againye's village stood at the foot of a series of hills that punched up into mountains at the nearby border with Cameroon.

Againye的村庄坐落在临近与噶麦隆交界的群山脚下。那些山冈挤挤挨挨，仿若在打群架。

youdao

Not surprisingly, the makers of the soap about the border are planning a second series.

ECONOMIST: Canada and the United States

And they have rattled Israel with a series of cross-border raids, killing an Israeli soldier on September 24th.

ECONOMIST: Egypt and Gaza

Macedonia has sealed its borders with Kosovo - key routes for supplies into the province -- after a series of attacks on border villages.

CNN: Rivals search for Kosovo solution