rolley
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.
I'm not sure that this conference is as good as last year's.
我确信这次会议不如去年的会议精彩。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.