例句與造句

1. The center had been evacuated earlier when winds forecasted exceeded the maximum safe velocity for the building.
2. Back in normal space the ship dumps velocity by cycling its vanes to graze the interface, like casting an anchor hyperspace, before the STL thrusters take are used to slow the ship further at system-safe velocities.
3. It's difficult to find safe velocity in a sentence. 用safe velocity造句挺難的