HOV
noun [ C ] US uk/ˌeɪtʃ.əʊˈviː/ us/ˌeɪtʃ.oʊˈviː/
高乘载车辆（high-occupancy vehicle的缩写）
abbreviation for high-occupancy vehicle: a road vehicle that carries a lot of people such as a bus, or a car with more than one passenger
Solo drivers can pay to ride on the HOV lanes. 单人乘坐车辆可以付费在高乘载车辆专用道上行驶。
In the morning and afternoon rush hours HOV restrictions are enforced. 在早晨和下午的高峰时间，对车辆高乘载的规定被严格执行。