美国有关交通标志牌中 RV 两字母时常在繁忙或路面窄小的地段或带有顶篷的加油站出现。它们是 recre-ation vehicle(“休闲车”的缩写)。休闲车也就是能休息、睡觉、做饭,带有盥洗沐浴设备的屋车。它可以由轿车拖挂,也可与轿车组成一体。这种车可以租赁。美国家庭常全家生活在 recreation vehicle 上出外旅游。由于该车车身较长,占用的停车面积大,因而停靠地点受限制;又因它比轿车车身高,加油站标志牌上都说明站篷高度。图片上的 In the United States, the RV letters in the traffic signs often appear on busy or narrow roads or gas stations with canopy. They are recre-ation vehicles (abbreviation of “leisure car”). Recreational vehicles are cars that can rest, sleep, cook, and have a bathing facility. It can be towed by car or integrated with a car. This car can be rented. U.S. families often live on a recreation vehicle for travel. Due to the long body of the car, the occupied parking area is large, so the stopping place is limited; because it is higher than the car body, the height of the station canopy is indicated on the gas station signboard. On the picture