https://online2.tingclass.net/lesson/shi0529/10000/10180/njshcz7su4a2.mp3
https://image.tingclass.net/statics/js/2012
Who wears a uniform at work?
谁工作时穿制服？
An ambulance worker.
急救人员。
What does an ambulance worker do?
急救人员做什么？
An ambulance worker drives sick people quickly to the hospital.
急救人员把病人快速送到医院。
