及物动词& 名词遮蔽; 设障遮蔽
defilade
noun
1. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
1. the arrangement of defensive fortifications to protect against enemy fire