listening post

美 [ˈlɪs(ə)nɪŋ ˌpoʊst]
英 [ˈlɪs(ə)nɪŋ ˌpəʊst]
  • n.(军队的)潜听哨
  • 网络监听站;听音哨;水声监听站
复数:listening posts  
listening post
n.
1.
(军队的)潜听哨a place where people who are part of an army listen to enemy communications to try to get information that will give them an advantage