n.前哨；偏远居民区；前哨基地；警戒部队
The battalion's outposts were called in. 该营的前哨部队已被召回。
You'd better get petrol here,where we're going is the last outpost of civilization. 你最好在这儿加足汽油，咱们要去的算是人类文明的边缘地区。
That small town is the last far-flung outpost of our country. 那个小城镇是我们国家一个遥远的前哨基地。
