(Brit.)a large metal basket or frame on wheels, used for transporting heavy or unwieldy items, such as purchases in a supermarket or luggage at an airport or railway station (英)(超市购物或机场、火车站运送行李的)手推车 ■a small table on wheels or castors, typically used to convey food and drink (尤指送食物、饮料等的)台车,食品车 ■a hospital bed on wheels for transporting patients who are incapable of moving unaided (医院用的)担架车
(亦作 trolley wheel)a wheel attached to a pole, used for collecting current from an overhead electric wire to drive a tram 电车触轮(与架空电线接触以驱动电车)
short for trolleybus or trolley car trolleybus 或 trolley car 的简称
常用词组 off one's trolley
(Brit. informal)mad; insane (英,非正式)疯的;精神不正常的
语源
early 19th cent.: of dialect origin, perhaps from troll