可以加介词out，例如：
1.I'm afraid I'm going to have to stop you short there， as time is running out.时间快到了，恐怕我得就此打断你了。
2.Our supplies were running out.我们的补给快用完了。
3.We're running out of time.我们快没有时间了。
4.By now the plane was running out of fuel.现在，这架飞机的燃料快用完了。
running加什么介词
running in：磨合试转试运转
in the running：参加比赛有赢的希望
running out：惯性动作流出
