Fire Alarm - 英语词汇详解

Meaning 1：fire alarm (Fire Alarm)

Fire Alarm 🔊

/ˈfaɪər əˈlɑːrm/

A device in a building that makes a loud sound and/or flashes lights to warn people of a possible fire.

fire alarm 🔊

➕

/ˈfaɪər əˈlɑːrm/

A device that detects smoke or heat and produces a loud sound to warn people of a fire.

📁 Category：Buildings & Places 🔖 Level：初级

📘 Details & Usage

📖 Root Explanation

Fire (OE 'fyr') + Alarm (It. 'all'arme' = to arms)

💡 Mnemonic

Imagine a fiery alarm clock that wakes you up to escape danger.

📖 Example

During the fire drill at school, the fire alarm went off, and all the students walked calmly outside. 🔊 During the fire drill at school, the fire alarm went off, and all the students walked calmly outside.

🔗 Collocations

fire alarm system – a network of fire alarms

pull the fire alarm – to activate the fire alarm manually

fire alarm bell – the loud ringing part of a fire alarm

🔄 Synonyms

smoke detector (n.) – a device that senses smoke

fire warning (n.) – a signal indicating a fire

alarm bell (n.) – a bell that sounds an alarm

🌱 Derivatives

fire alarm box (n.) – a box containing a fire alarm

fire alarm panel (n.) – a central control panel for fire alarms

📖 Cultural Story

The word 'alarm' originates from Italian 'all'arme' ('to arms'), a military call. The first electric fire alarm was patented in 1852 by William Channing and Moses Farmer.