Shadowing Practice: Cool Down Your Room... With a FRIDGE? - Learn English Speaking with Video

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19 sentences
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1
Can you cool your room by leaving the fridge open?
2
When you first open the door, your face feels cool.
3
But a fridge doesn't create cold.
4
It removes heat.
5
Inside the walls is a refrigerant like isobutane.
6
If kept under low pressure, it can boil at very low temperatures.
7
And to boil, it must absorb energy.
8
So it pulls heat out of your food the same way evaporating sweat cools your skin.
9
A compressor then squeezes the gas until it's hotter than your kitchen, so the heat escapes through the coils on the back.
10
But heat never flows from cold to hot on its own.
11
It costs energy.
12
And every bit of electricity the compressor uses also ends up as heat in your room.
13
When the door is open, the fridge pulls the same heat back in and dumps it out the back along with the compressor's waste heat.
14
You've now got a machine that moves heat in a circle and bills you for it.
15
Your kitchen gets warmer with the heat pulled from your food plus the compressor's waste heat, and your food spoils anyway.
16
A fridge was never a cold machine.
17
It's a heat pump.
18
But if you really want to cool your room with it, simply hang the hot coils out of your window so the heat leaves the building.
19
Now, you haven't cheated thermodynamics, you've invented air conditioning.

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Vocabulary and speaking notes for this lesson

This speaking lesson is built on the video “Cool Down Your Room... With a FRIDGE?”. The speaker keeps coming back to these words: heat, fridge, cool, cold. This video has 19 sentences and 232 words to shadow. The speech runs for 1:12. The speaker talks fast, about 194 words per minute, so expect linked and reduced sounds. Only 81% of the words are among the 3,000 most common in English, so the vocabulary is demanding.

Key vocabulary in this video

15 words from the video worth learning, with pronunciation and meaning:

WordPronunciationMeaning
boil verb/bɔɪ(ə)l/To heat to the point where it begins to turn into a gas.
coil noun/kɔɪl/Something wound in the form of a helix or spiral.
electricity noun/ɪˌlɛkˈtɹɪsɪti/Originally, a property of amber and certain other nonconducting substances to attract lightweight material when rubbed, or the cause of this property; now…
pump noun/pʌmp/A device for moving or compressing a liquid or gas.
leaf noun/lif/The usually green and flat organ that represents the most prominent feature of most vegetative plants.
sweat verb/swɛt/To emit sweat.
dump verb/dʌmp/To release, especially in large quantities and chaotic manner.
cheat verb/ˈt͡ʃiːt/To violate rules in order to gain, or attempt to gain, advantage from a situation.
squeeze verb/skwiːz/To apply pressure (to something) from two or more sides at once.
absorb verb/æbˈsɔɹb/To include so that it no longer has separate existence; to overwhelm; to cause to disappear as if by swallowing up; to incorporate; to assimilate; to take in…
spoil noun/spɔɪl/Plunder taken from an enemy or victim.
invent verb/ɪnˈvɛnt/To design a new process or mechanism.
compressor noun/kəmˈpɹɛ.sə(ɹ)/A device that produces pressure, such as a gas compressor that produces pressurized gas.
evaporate verb/ɪˈvæp.ə.ɹeɪt/To transition from a liquid state into a gaseous state.
isobutane nounA hydrocarbon, a particular isomer of C₄H₁₀ found in natural gas.

Phrasal verbs you will hear

WordMeaning
end up verbTo bring to a conclusion.
keep under verbTo hold in subjection; hence, to oppress.

Grammar in this video

The structures the speaker uses most, with the exact words from the video:

StructureIn the video
Present perfect have/has + past participle — a past action that still matters nowhaven't cheated
Comparatives -er than / more … than — comparing two thingshotter than
Obligation: must / have to / need to saying that something is necessarymust absorb

Pronunciation to watch

The speaker uses 4 contractions and reduced forms, such as you've, doesn't, haven't. Say them the short way, as you hear them.

  • Long words — get the stress right: electricity /ɪˌlɛkˈtɹɪsɪti/, evaporate /ɪˈvæp.ə.ɹeɪt/, thermodynamics /ˌθɜː(ɹ)moʊdaɪˈnæmɪks/

How to practise with this video

  1. Listen to the whole video once without speaking and note the words you do not know.
  2. Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
  3. Record yourself and compare with the original, paying attention to words like boil, coil, electricity.

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.

Shadowing technique: read the full step-by-step guide →