Alfven speed

例句：

1. 1.The ship sailed at Alfven's speed, reaching the destination in record time.
   这艘船以阿尔夫文的速度航行，以创纪录的时间到达了目的地。
2. 2.The team achieved their goal at Alfven's speed, demonstrating exceptional performance.
   该团队以阿尔夫文的速度实现了他们的目标，表现出色。
3. 3. The car accelerated at Alfven's speed, leaving a trail of dust behind it.
   汽车以阿尔夫文的速度加速行驶，留下了一串尘土。