What happened? 怎么回事

268. and I think Uzma went ahead of us, so I'm really hopeful
     我认为乌兹玛在我们前头
269. that she'll get her opportunity to tag the dolphin.
     希望她能有机会设下标记
270. But rescue missions don't always go to plan.
     但救援任务有时也会偏离轨迹
271. What happened?
     怎么回事
272. A puncture.
     轮胎被扎破了
273. Hey, come here! Grab the mattress!
     过来 抬起床垫
274. The dolphin is quickly moved to the film crew's truck.
     河豚被快速转移到摄制组的车上

来自《行星地球 第三季 第四集 Planet Earth S03E04 淡水》第 271 行