当俄罗斯在2022年发动对乌克兰的全面入侵时，战争呈现出截然不同的景象。战场有着清晰的边界。随后，无人机出现了。自那以后，乌克兰的前线已经模糊成一片宽达数英里的荒原，天空中充斥着无人机，双方均未能掌控局势。
When Russia launched its full-scale invasion of Ukraine in 2022, the war looked markedly different. The battlefield had clear boundaries. Then came the drones. The front line in Ukraine has since blurred into a miles-wide wasteland where drones fill the sky and neither side holds control.
乌克兰的前线已经模糊成一片宽达数英里的荒原，天空中充斥着无人机，双方均未能牢固掌控局势。
The front line in Ukraine has blurred into a miles-wide wasteland where drones fill the sky and neither side holds firm control.