n.救护车

An ambulance dashed to the scene of the accident. 救护车风驰电掣赶往事故现场。

An ambulance was racing along with its sirens wailing. 救护车响着警报急驰而过。

The light was red but the ambulance drove straight through. 红灯亮着,但救护车闯了过去。

If he gets any worse, we must phone for an ambulance. 要是他情况恶化，我们就得打电话叫救护车了。

By the time the ambulance had arrived, a crowd of onlookers had gathered. 救护车赶到时，围观的人已经很多了。

ambulance的意思是“救护车”,指“用救护车运送”时其前不用冠词,指具体的救护车时其前可用冠词。

ambulance也可指执行救护任务的飞机、轮船等。