莫莉：现在我们留意急救车辆和救护车。
Molly: Now we watch for the emergence vehicles and the ambulance.
急救车辆包围了广场，警察要求人们留在家里。
Emergency vehicles surrounded the square and the police asked people to stay at home.
急救车辆包围了广场，警察要求人们留在家里。
Emergency vehicles surrounded the square and the police asked people to stay at home.
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