出处：按学科分类—军事 上海科学技术文献出版社《英汉军事新词库》第130页（260字）
【释义】：
n．警戒线，跑道进口，击剑(术)v．用围栏围住，击剑
◇fence in同fence about围起(进)fence off同fence out隔开，避免
‖fence against satellite threats反卫星系统fence coverage警戒范围fencing n．围栏，栅栏fenceless adj．不设防的fence-sitter n．