刘翔的跟腱已经伤了好几个月了，第一次发枪起跑时就有些一瘸一拐了，在第二枪鸣枪示意第一次起跑无效才停了下来。
Liu, whose hamstring has been an issue for months, limped out of the block at the starting gun, took a few awkward steps, then pulled up when the second gun sounded to signal a false start.
youdao