recce flare

例句：

1. 1. The team used a scout flare to mark their position before entering the forest.
   团队使用侦察烟幕标记他们进入森林的位置。
2. 2. The reconnaissance flare was set up to provide cover for the soldiers as they moved through the area.
   侦察烟幕被设置起来，为士兵在通过该地区时提供掩护。
3. 3.The flare illuminated the night sky, providing valuable information for the pilots.
   烟幕照亮了夜空，为飞行员提供了宝贵的信息。