Police dispatchers in a phone call told Zimmerman to back off.

电话中的警方调度员告诉齐默尔曼后退。

Somerville's police dispatcher asked Laura to clarify where she was.

萨默维尔的警察调度员要求劳拉澄清她的位置。

After realizing Laura couldn't speak anymore, the Somerville police dispatcher told her to hold while she called an ambulance.

在意识到劳拉已经不能说话后，萨默维尔的警察调度员让她稍等片刻，然后她打电话叫救护车。

You can hear a number of people calling to report the shootings and several people who are in the school talking to police dispatchers.

你能听到很多人打电话报告开枪事件，学校里的几个人对警方调度员讲话。

In various studies, like the one observing police dispatchers, face-to-face meant workers could complete tasks faster.

在各种研究中，比如观察警察调度员的研究，面对面意味着工作人员可以更快地完成任务。