n.前哨；偏遠(yuǎn)居民區(qū)；前哨基地；警戒部隊

The battalion's outposts were called in. 該營的前哨部隊已被召回。

You'd better get petrol here,where we're going is the last outpost of civilization. 你最好在這兒加足汽油，咱們要去的算是人類文明的邊緣地區(qū)。

That small town is the last far-flung outpost of our country. 那個小城鎮(zhèn)是我們國家一個遙遠(yuǎn)的前哨基地。