It would not prove worthwhile to instigate a nuclear attack. 挑起核攻击最终是不值得的。
A recent big Russian military exercise, which officials say culminated in a dummy nuclear attack on Poland, highlights the region's vulnerability. 官员们表示，最近俄罗斯的一场大型军事演习，在一次对波兰虚拟的核攻击中达到顶点，突出了该区域的弱点。
