Emergency telephone number 紧急救助电话

9-1-1 is an emergency telephone number used in the United States, Canada, Costa Rica, El Salvador and Paraguay, among other countries

In many countries the public telephone network has a single emergency telephone number (sometimes known as the universal emergency telephone number or the emergency services number) that allows a caller to contact local emergency services for assistance. The emergency number differs from country to country; it is typically a three-digit number so that it can be easily remembered and dialed quickly. Some countries have a different emergency number for each of the different emergency services; these often differ only by the last digit.

单词	Emergency telephone number
释义	Emergency telephone number 原声例句 2010 ESLPod Everywhere in the United States that is the emergency telephone number. 在美国到处都是紧急电话号码。英语百科 Emergency telephone number 紧急救助电话 In many countries the public telephone network has a single emergency telephone number (sometimes known as the universal emergency telephone number or the emergency services number) that allows a caller to contact local emergency services for assistance. The emergency number differs from country to country; it is typically a three-digit number so that it can be easily remembered and dialed quickly. Some countries have a different emergency number for each of the different emergency services; these often differ only by the last digit.
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