在乌克兰中部的一片田野上，一架实验性无人机急速升空，工程师们展示了它拦截俄罗斯喷气动力攻击无人机的能力，这些无人机正令该国备受折磨。
In a field in central Ukraine, an experimental drone zoomed into the sky as engineers demonstrated its potential to intercept Russia’s jet-powered attack drones, which are tormenting the country.
这款名为“Zirka”的原型机螺旋桨疯狂旋转，最高时速达到280英里。测试人员承认，这还不够快。
The prototype, called a Zirka, reached a top speed of 280 miles an hour as its propellers whirred frantically. Not fast enough, the testers acknowledged.