B2 Upper-Intermediate

Everyday Technology — B2 English Lesson

📅 2026-09-19📊 B2 Upper-Intermediate📚 10 new words🎧 daily podcast

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📚 Vocabulary

10 new words Learn new words with real examples and audio.

algorithm /AL-guh-ri-thum/

noun

a set of rules a computer follows to solve a problem

"The new algorithm recommends videos based on what you watch."

interface /IN-ter-face/

noun

the screen or control system you use to operate a device or app

"This app has a clean interface that is easy to navigate."

encryption /en-KRIP-shun/

noun

the process of coding information so only allowed people can read it

"The bank uses strong encryption to protect your data."

bandwidth /BAND-width/

noun

the amount of data an internet connection can carry

"Video calls need a lot of bandwidth to run smoothly."

virtual /VUR-choo-uhl/

adjective

not physically real but appearing real on a screen

"We had a virtual meeting with our team in London."

sensor /SEN-sur/

noun

a small device that detects changes like heat, light, or movement

"The sensor turns the lights on when you enter the room."

backup /BAK-up/

noun

a saved copy of data you can use if the original is lost

"Always keep a backup of your important files."

upgrade /up-GRADE/

verb

to make a device or system newer or better

"I want to upgrade my phone to a faster model."

privacy /PRY-vuh-see/

noun

the right to keep your personal information safe

"You should check your privacy settings on social media."

robot /ROH-bot/

noun

a machine that can do tasks automatically

"A robot delivered the package to our office."

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Podcast: Everyday Technology

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📝Grammar: 2A: Present perfect and past simple

The **present perfect** is formed with **have/has + past participle**. Use it for past experiences when you do not say exactly when they happened. I have tested a cleaning robot at home, and I have never used an interface this simple before. Use the **present perfect** for recent actions that have a result now. It goes with **yet**, **already**, and **just**. She has just made a backup of her files. Have you upgraded your phone yet? Use the **past simple** for finished actions when you say or know when they happened. I installed a sensor in my hallway last week. The company released the big

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❓ Frequently Asked Questions

What level is this Everyday Technology lesson?

This is a B2 Upper-Intermediate (B2) English lesson from Muse English's daily series on 2026-09-19.

How can I practice speaking?

Use the shadowing feature in the free Muse English app — listen to each sentence, repeat it, and get your pronunciation scored.

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Yes. Daily lessons, podcasts, vocabulary, shadowing practice and quizzes are free at museenglishapp.com.

How many words will I learn?

This lesson teaches 10 new words with photos, meanings, examples and pronunciation audio.

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