“历史性飞跃”
用英语怎么说？

On Friday, June 5, 2026, NASA’s X-59 experimental aircraft successfully completed its first supersonic flight, marking a historic leap in aviation. Piloted by NASA test pilot Jim Less, the aircraft reached a speed of Mach 1.1 at an altitude of 43,400 feet. Taking off from Edwards Air Force Base in California, the flight lasted 81 minutes and verified the aircraft’s structural integrity under supersonic stress. Just one week later, the team reached their design cruise condition, accelerating to Mach 1.4 at 55,000 feet. These initial flights mark the start of a new era, proving that supersonic technology is ready for rigorous testing. Aerospace engineers and enthusiasts worldwide celebrated this milestone, which brings the dream of rapid commercial travel closer to reality.

2026年6月5日星期五，NASA的X-59实验飞机成功完成了首次超音速飞行，标志着航空领域的历史性飞跃。该飞机由NASA测试飞行员吉姆·莱斯驾驶，在43400英尺的高度达到了1.1马赫的速度。这次飞行从加利福尼亚州的爱德华兹空军基地起飞，持续了81分钟，并验证了飞机在超音速压力下的结构完整性。仅仅一周后，团队达到了他们的设计巡航状态，在55000英尺的高空加速到了1.4马赫。这些最初的飞行标志着一个新时代的开始，证明了超音速技术已经为严格的测试做好了准备。全球的航空航天工程师和爱好者庆祝了这一里程碑，它让快速商业旅行的梦想更接近现实。