紧急呼叫是一种用于紧急情况下发出求救信号的设备，通常包括、对讲机、无线电等。它可以帮助人们在遇到危险或紧急情况时快速到救援或相关人员，提供及时的帮助和支持。

Emergency Call System (ECS) is a device used to send out a distress signal in emergency situations. It usually includes telephones, walkie-talkies, radios, etc. It helps people to quickly contact rescue organizations or relevant personnel when facing danger or emergency situations, providing timely assistance and support.

怎么读（音标）

Emergency Call System [ɪˈmɜːdʒənsi kɔːl ˈsɪstəm]

用法

紧急呼叫通常安装在公共场所、交通工具和个人住宅中，以便在需要时能够快速使用。一般来说，它们都有明显的标识和指示，方便人们使用。当遇到紧急情况时，只需按下按钮或拨打特定号码，就可以发出求救信号。

Emergency Call Systems are usually installed in public places, transportation vehicles and personal residences for quick use when needed. They are usually marked and indicated for easy access. In case of an emergency, one can simply press a button or dial a specific number to activate the distress signal.

例句1-5句且中英对照

1. In case of a fire, please use the emergency call system located at the front desk to contact the fire department.

如果发生火灾，请使用位于前台的紧急呼叫消防部门。

2. The emergency call system on the airplane was activated when the pilot realized there was a technical problem.

当飞行员意识到有技术问题时，飞机上的紧急呼叫被激活。

3. The hotel room is equipped with an emergency call system in case of any medical emergencies during your stay.

酒店客房配备了紧急呼叫，以防您在逗留期间发生医疗紧急情况。

4. The elderly woman pressed the button on her emergency call system when she fell and injured herself.

这位老太太在跌倒并受伤时按下了她的紧急呼叫上的按钮。

5. The school has installed an emergency call system to ensure the safety of its students in case of any dangerous situations.

学校安装了紧急呼叫，以确保学生在遇到危险情况时的安全。

同义词及用法

1. Emergency Alert System: This is another term used for Emergency Call System, which is commonly used in the United States.

2. Panic Button: This refers to a button or device that can be pressed in case of an emergency, similar to an emergency call system.

3. SOS Signal: This is a distress signal used internationally, especially in maritime and aviation industries, to request immediate assistance in emergency situations.

编辑总结

紧急呼叫是一种重要的安全设备，可以在紧急情况下提供帮助和支持。它的安装和使用都非常简单，但在关键时刻能起到至关重要的作用。除了以上提到的同义词，还有许多其他术语也可以用来指代紧急呼叫，如求救、应急通信等。无论是在公共场所还是个人住宅，都应该配备这样的设备以确保人们的安全。