这辆高铁以超高速行驶，不到3小时就能到达目的地。

The high-speed train travels at ___super-speed, reaching the destination in under 3 hours.

这位超级英雄用他的超级速度在几秒钟内就穿越了整个城市。

The superhero used his ___super-speed to cross the entire city in just a few seconds.