A1 noun 中性 #592 最常用

backup

/ˈbækˌʌp/

A copy of computer files or information that is kept in case the original is lost or damaged. It can also refer to a person or thing that provides support or acts as a replacement.

例句

3 / 5
1

I keep a backup of my family photos on a small hard drive.

I keep a second copy of my family photos on a small hard drive.

2

The organization ensures a secure backup of all sensitive data is performed nightly.

The organization ensures a safe copy of all sensitive data is made every night.

3

Don't worry, I have a backup of the document on my phone.

Don't worry, I have another copy of the document on my phone.

词族

名词
backup
Verb
back up
形容词
backup
相关
backing
💡

记忆技巧

Think of 'Back' (behind) and 'Up' (ready). A backup is a copy kept 'behind' the original, 'ready' to be used.

快速测验

Please make a _____ of your work before you turn off the computer.

正确!

正确答案是: backup

例句

1

I keep a backup of my family photos on a small hard drive.

everyday

I keep a second copy of my family photos on a small hard drive.

2

The organization ensures a secure backup of all sensitive data is performed nightly.

formal

The organization ensures a safe copy of all sensitive data is made every night.

3

Don't worry, I have a backup of the document on my phone.

informal

Don't worry, I have another copy of the document on my phone.

4

Reliable backup systems are essential for maintaining the integrity of experimental results.

academic

Reliable data-saving systems are necessary for keeping research results safe.

5

We need a backup plan in case the main server fails during the presentation.

business

We need an alternative plan if the main computer stops working during the meeting.

词族

名词
backup
Verb
back up
形容词
backup
相关
backing

常见搭配

data backup a copy of computer information
backup plan an alternative strategy if the first one fails
cloud backup saving files to an internet-based server
backup generator a machine that makes electricity when the power goes out
daily backup making a copy of files every day

常用短语

backup singer

a person who sings behind the main singer

need backup

to require extra help or protection

backup copy

a secondary version of a file

容易混淆的词

backup vs back up

Backup (one word) is the noun or adjective, while back up (two words) is the verb action.

📝

使用说明

In technology, 'backup' is usually a noun. When used as an adjective, it describes something used as a reserve (e.g., 'a backup battery').

⚠️

常见错误

Learners often write 'back up' (with a space) when they are talking about the file itself. Use 'backup' for the thing and 'back up' for the action.

💡

记忆技巧

Think of 'Back' (behind) and 'Up' (ready). A backup is a copy kept 'behind' the original, 'ready' to be used.

📖

词源

Originates from the mid-20th century phrasal verb 'back up', meaning to support or move backward.

语法模式

countable noun (plural: backups) often used as an attributive noun before another noun

快速测验

Please make a _____ of your work before you turn off the computer.

正确!

正确答案是: backup

更多Technology词汇

laptop

A1

A laptop is a portable personal computer that is small and light enough to be used on a person's lap. It combines a screen, keyboard, and processor into one battery-powered unit that you can carry easily.

screen

A1

A screen is the flat surface on an electronic device, such as a television, computer, or smartphone, where images and information are displayed. It is the part of the hardware that the user looks at to interact with the device.

keyboard

A1

A keyboard is an input device consisting of a set of keys that you press to type letters, numbers, and symbols into a computer. It is also a musical instrument that looks like a piano and produces electronic sounds.

mouse

A1

A small device that you move with your hand to control the cursor on a computer screen. It allows users to select, click, and drag items by pressing buttons on its surface.

headphones

A1

Headphones are a pair of small speakers that you wear over or inside your ears to listen to music or sound without other people hearing it. They are commonly used with phones, computers, and music players.

speaker

A1

A speaker is an electronic device that converts electrical signals into audible sound. It is used to listen to music, voices, or other sounds from computers, phones, or home entertainment systems.

website

A1

A website is a collection of connected pages on the internet that contains information about a person, company, or subject. You use a web browser like Chrome or Safari to visit a website and read its content.

search

A1

A search is the act of looking for something or someone carefully. In technology, it refers to using a computer program or website to find specific information or files.

download

A1

A computer file that has been moved from the internet or a larger system to a smaller device like a computer or phone. It can also refer to the process of transferring this data from one place to another.

click

A1

A click is the short, sharp sound made when a computer mouse button is pressed. It also refers to the physical action of pressing a button on a digital device to select or activate something on a screen.

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