Four-wheel drive
01
a transmission system that delivers power to all four wheels of a vehicle simultaneously
例子
The truck 's four-wheel drive helps it maintain traction on rough terrain.
Engaging four-wheel drive allows better control on snow-covered roads.
02
a vehicle equipped with a transmission system that delivers power to all four wheels
例子
They bought a four-wheel drive for their mountain trips.
A convoy of four-wheel drives crossed the desert.
