The camera focuses on a gun recoiling, then pans out to search for the impact point. A white line of smoke arcs above the city and ploughs into a group of houses.

迫击炮弹爆炸的声响回荡在萨拉热窝上方的山上，摄影机镜头聚焦在一门发射时后冲的炮上，然后镜头伸向炮弹击中的地方，一条弧形白线越过城市上空掉落进一片房屋之中。

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Jonathan begins to leave with the weapon stored in his camera bag but Jack pulls his own gun on the hitman.

乔纳森把枪隐藏在装摄影机的包里，他准备离开了房间时，杰克拔出了自己的枪对准了这个杀手。

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One swivels the video camera on the armed robot until it spots a sniper on a rooftop. The machine gun pirouettes, points and fires in two rapid bursts.

一个工程师将武装机器人身上的摄像头旋转至房顶上的狙击手，机关枪开始旋转，瞄准，然后急速射击了两枪。

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The army has also suggested fitting some form of self-defence, like a gun which the camera could be used to aim.

ECONOMIST: Autonomous helicopters