The scooter goes much slower than the car at (the speed of ) 30 km an hour.
The scooter goes much slower than the car at (the speed of ) 30 km an hour.
轻骑的速度比小汽车慢的多，大约每小时30公里。
The scooter goes much slower than the car at (the speed of ) 30 km an hour.
轻骑的速度比小汽车慢的多，大约每小时30公里。