trolley
/ˈtrɔlɪ; `trɑlɪ/ n
(pl ~s)
1 cart on wheels that can be pushed or pulled along and is used for moving goods 手推车; 手拉车
a `luggage trolley 运送行李的手推车
a `shopping trolley, eg in a supermarket 购物手推车（如超级市场中的）.
2 small table on wheels for transporting or serving food, etc （运或送食物等用的）脚轮车, 台车
a `tea-trolley 茶具车. =>illus at App 1 见附录1插图, page xvi.
3 small low truck running on rails, used eg by workmen repairing tracks 在铁轨上行驶的小车（如查道车）.
4 (also `trolley-wheel) small wheel or other device making contact between an electrically powered vehicle and an overhead cable （电动车辆与架空电缆接触的）触轮或其他设备.
5 (US) = tram.