frontier city

基本解釋

Quetta is a frontier city about a three-hour drive from Kandahar in Afghanistan.
基達(dá)是一座前線城市，距阿富汗的坎大哈有三至四小時車程。
Guangxi Dongxing city is a frontier city of China and Vietnam adjacent, here is home to China jing.
廣西東興市是我國與越南鄰接的一個邊疆市，這裡是我國京族的聚居地。
Urumqiis the Oklahoma City of China, a dusty frontier city with sand, oil and a large ethnic group – the Uighurs – which distinguishes the western Xinjiang region from the rest of the mainland.
烏魯木齊——中國的俄尅拉荷馬城，是一座塵土飛敭、以沙子和石油著稱的邊境城市。聚居於此的大批維吾爾族人，也是位於中國西部的新疆有別於內(nèi)地其他地區(qū)的一大特征。

But the Pakistani frontier city of Peshawar is still teeming with exiled Pushtun commanders, who say the only thing holding them back is the absence of support from the United States and its allies.
ECONOMIST: The military campaign: Steadying nerves The
In Pakistan, Taliban militants have tightened their grip on three sides of Peshawar, a strategic city of 3 million people near the frontier with Afghanistan.
NPR: Taliban Tightens Grip Near Northern Pakistan Border