demo
demo — noun
1. A shortened form of "demonstration" — a public event where people gather to show
A shortened form of "demonstration" — a public event where people gather to show their opposition to or support for a political idea, person, or policy.
Over ten thousand people attended the demo outside the parliament building.
The students held a peaceful demo to demand fair pay for teachers.
collocation: hold a demo
Police monitored the anti-war demo closely but no one was arrested.
Diya joined the climate-action demo because she wanted to show her support.
常見錯誤
2. An item offered at no charge so people can test it prior to buying the complete
An item offered at no charge so people can test it prior to buying the complete edition, commonly used for computer programs and recorded music.
Christopher downloaded a free demo to see if his computer could run the game.
collocation: free demo / demo of [product]
The band recorded a demo of their new song and sent it to several labels.
Users can try the software demo for thirty days before buying the full program.
Minh listened to the demo tracks and decided to purchase the whole album online.
用法筆記
The word demo can refer both to a time-limited trial version of a computer program and to a sample music recording intended to attract a record label or buyer.
常見錯誤
3. An event where someone shows a group of people how to perform a task or how a pi
An event where someone shows a group of people how to perform a task or how a piece of equipment works, often by going through each step as they explain it.
The chef gave a live demo of how to make fresh pasta from scratch.
collocation: give a demo
Adina watched a cooking demo on television and tried the recipe herself the next day.
A salesperson at the store offered a quick demo of the new coffee machine.
The teacher's science demo helped the students understand how volcanoes erupt.
- demonstration
the full-length formal equivalent of demo
- show
more general term for any visual presentation
- presentation
often more formal and may not include hands-on practice
demo — verb
1. To show people how a product works or how to perform a task, typically by going
To show people how a product works or how to perform a task, typically by going through the steps while explaining them aloud.
The technician demoed the new alarm system for the hotel manager.
grammar: demo [product] for [audience]
Jude demoed his invention at the school science fair and won first prize.
The company sent a representative to demo the software for potential buyers.
Nkechi spent the afternoon demoing the new accounting system to her team.
- demonstrate
the formal, full-length equivalent, suitable for all contexts
- show
simpler and more general, but less specific about step-by-step explanation
- present
focuses on the act of showing to an audience, often in a formal setting
文法句型
demo + [noun phrase]
demo + [noun phrase] + for + [audience]
用法筆記
Frequently used in technology, sales, and education settings. The more formal equivalent is demonstrate.
常見錯誤
demo — combining form
1. A prefix from ancient Greek meaning "people" or "population," found in words suc
A prefix from ancient Greek meaning "people" or "population," found in words such as democracy (rule by the people), demographics (population statistics), and demagogue (a leader who appeals to popular feelings).
The prefix "demo-" in "demographics" refers to the study of human populations.
etymology: demo- from Greek dēmos (the people)
Words like "democracy" use the demo- root to express the idea of people or citizens.
A demographer is someone who studies changes in population size and movement.
The teacher explained that demo- comes from an ancient Greek word meaning the people.