调度员正在安排救护车前往事故现场。

The ___dispatcher is sending an ambulance to the accident scene.

调度员迅速安排了救护车前往事故现场。

The ___dispatcher quickly arranged an ambulance to the accident scene.

调度程序负责将消息分配给不同的服务实例。

The ___dispatcher is responsible for distributing messages to different service instances.