n.手推車；電車
He rolled the trolley across the room. 他推著手推車穿過房間。
Just stay here with the baggage on the trolley. 你就待在這兒看管手推車上的行李。
Oil the trolley, and then it will turn more freely. 給手推車加點油，這樣它就能自由運轉(zhuǎn)了。
n.無軌電車
