Design Cruise Speed的用法和樣例：
例句
- The cruising speed of this new type of fighter is Mach two.
這種新型戰斗機的巡航速度為聲速的兩倍。 - While one finds a comfortable cruising speed, the other senses if distances close too fast, and pre-charges the brakes for panic stops should the need arise.
雖然我們會(huì )發(fā)現一個(gè)舒適的巡航速度，其他感官如果距離近得太快，和預先收費剎車(chē)恐慌站如有需要。
