名詞 outpost:

1. a station in a remote or sparsely populated location
   同義詞：outstation
2. a settlement on the frontier of civilization
   同義詞：frontier settlement
3. a military post stationed at a distance from the main body of troops

1. The battalion's outposts were called in.
   該營(yíng)的前哨部隊(duì)已被召回。
2. That small town is the last far-flung outpost of our country.
   那個(gè)小城鎮(zhèn)是我們國(guó)家一個(gè)遙遠(yuǎn)的前哨基地。

out.post

n.（名詞）

A detachment of troops stationed at a distance from a main force to guard against surprise attacks.
前哨：派駐在離主力部隊(duì)很遠(yuǎn)的地帶的支隊(duì)以防敵人的偷襲
The station occupied by such troops.
前哨地：這種支隊(duì)的駐地
A usually small military base established in another country.
國(guó)外前哨基地：駐扎在另一國(guó)家的通常很小的軍事基地
An outlying settlement.
邊區(qū)村落：遠(yuǎn)離中心定居點(diǎn)