The adults then called an emergency telephone line for help.

家长随后报警求帮助。

You know, emergency telephones, telex lines to Downing Street, all that sort of thing.

紧急电话直通唐宁街的电报线，之类的。

He could block hundreds of thousands of people from connecting to the national emergency telephone line.

他可以阻止数十万人连接到国家紧急电话线。

Everywhere in the United States that is the emergency telephone number.

在美国到处都是紧急电话号码。

Our second topic today is the emergency telephone system in the United States.

我们今天的第二个话题是美国的紧急电话系统。