The first train has run on the line as a trial at a top speed of 110 kilometers an hour.
该地铁线上的首趟试运营列车的最高速度为每小时110公里。
With three years to go until the opening ceremony, London Olympic organizers have announced the successful trial run of a high-speed Olympic train service.
距开幕时还有三年之际，伦敦奥运会的主办方宣布高速奥运列车服务成功试运行。
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