Shadowing Practice: How Big is The Universe? - Learn English Speaking with Video
Vocabulary and speaking notes for this lesson
This video has 50 sentences and 1561 words to shadow. The speech runs for 11:05. The speaker talks at a steady 141 words per minute, a comfortable pace for shadowing. Only 72% 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:
| Word | Pronunciation | Meaning |
|---|---|---|
| galaxy noun | /ˈɡæl.ək.si/ | Any of the collections of many millions or billions of stars, galactic dust, black holes, etc. existing as independent and coherent systems, of which there are… |
| cosmic adjective | /ˈkɑz.mɪk/ | Of or from or pertaining to the cosmos or universe. |
| vast adjective | /væst/ | Very large or wide (literally or figuratively). |
| immense adjective | /ɪˈmɛns/ | Huge, gigantic, very large. |
| cluster noun | /ˈklʌstɚ/ | A bunch or group of several discrete items that are close to each other. |
| extend verb | /ɛkˈstɛnd/ | To increase in extent. |
| bubble noun | /ˈbʌbəl/ | A spherically contained volume of air or other gas in a liquid, commonly a soapy liquid. |
| boundary noun | /ˈbaʊndɹi/ | The dividing line or location between two areas. |
| cloud noun | /ˈklaʊ̯d/ | A visible mass of water droplets suspended in the air. |
| expand verb | /ɪkˈspænd/ | To change (something) from a smaller form or size to a larger one; to spread out or lay open. |
| stretch verb | /stɹɛt͡ʃ/ | To lengthen by pulling. |
| encounter verb | /ɪnˈkaʊntɚ/ | To meet (someone) or find (something), especially unexpectedly. |
| diameter noun | /daɪˈæmɪdɚ/ | Any straight line between two points on the circumference of a circle that passes through the center of the circle; a chord that passes through the center of… |
| sphere noun | /sfɪɚ/ | A surface in three dimensions consisting of all points equidistant from a center. . |
| silent adjective | /ˈsaɪ̯lənt/ | Free from sound or noise; absolutely still; perfectly quiet. |
Phrasal verbs you will hear
| Word | Pronunciation | Meaning |
|---|---|---|
| take over verb | To assume control of something, such as a business or enterprise, and sometimes by force. | |
| zoom out verb | /ˌzuːm ˈaʊt/ | To decrease the focal length of a zoom lens in order to obtain a reduced magnification of the image, or a wider-angle view. |
Pronunciation to watch
- The “th” sounds: theoretical /ˌθi.əˈɹɛt.ɪ.kəl/, unfathomable /ˌʌnˈfæð(ə)məb(ə)l/
- The “sh” and “zh” sounds: potentially /pəˈtɛnʃ(ə)li/, exploration /ˌɛkspləˈɹeɪʃən/, suggestion /səˈd͡ʒɛst.ʃən/, measurement /ˈmɛʒ.ə.mənt/, civilization /ˌsɪv.ɪ.laɪˈzeɪ.ʃən/
- Long words — get the stress right: diameter /daɪˈæmɪdɚ/, potentially /pəˈtɛnʃ(ə)li/, exploration /ˌɛkspləˈɹeɪʃən/, mysterious /mɪˈstɪɹi.əs/, complexity /kəmˈplɛk.sɪ.ti/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
- Record yourself and compare with the original, paying attention to words like galaxy, cosmic, vast.
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Passive voice be + past participle — the focus is on what happens, not who does it | was ever told · is thought · is stopped |
| Present perfect have/has + past participle — a past action that still matters now | has been · we've sent · has traveled |
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.













