Shadowing Practice: How Are Genetic Tests Changing Families? - Learn English Speaking with Video
Vocabulary and speaking notes for this lesson
This B2 speaking lesson is built on the video “How Are Genetic Tests Changing Families?”. The speaker keeps coming back to these words: genetic, daughter, test, mother. This video has 44 sentences and 522 words to shadow. The speech runs for 3:06. The speaker talks at a natural 168 words per minute, close to everyday conversation. 84% of the words are among the 3,000 most common in English; the rest is worth studying before you start.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| marker noun | /ˈmɑː(ɹ)kə(ɹ)/ | A felt-tipped pen, a marker pen. |
| aspiration noun | /ˌæspəˈɹeɪʃən/ | The act of aspiring or ardently desiring; an ardent wish or desire, chiefly after what is elevated or spiritual (with common adjunct adpositions being to and… |
| conceive verb | /kənˈsiːv/ | To have a child; to become pregnant (with). |
| enrich verb | /ɪnˈɹɪt͡ʃ/ | To enhance. |
| uncover verb | /ʌnˈkʌvɚ/ | To remove a cover from. |
| pea noun | /piː/ | Any of certain plants of the family Fabaceae: Pisum sativum and others. |
| genetically adverb | /d͡ʒəˈneɾɪkli/ | In a manner relating to genes or genetics. |
| reinforce verb | /ˌɹiː.ɪnˈfɔːs/ | To strengthen, especially by addition or augmentation. |
| spit verb | /spɪt/ | To evacuate (saliva or another substance) from the mouth, etc. |
| revelation noun | /ˌɹɛv.əˈleɪ.ʃən/ | The act of revealing or disclosing. |
| curiosity noun | /ˌkjʊɹ.iˈɑ.sə.ti/ | Inquisitiveness; the tendency to ask and learn about things by asking questions, investigating, or exploring. |
| algorithm noun | /ˈælɡəɹɪðm̩/ | A collection of ordered steps that solve a mathematical problem. A precise step-by-step plan for a computational procedure that possibly begins with an input… |
| alter verb | /ˈɔl.təɹ/ | To change the form or structure of. |
| variation noun | /ˌvɛəɹiˈeɪʃn̩/ | The act of varying; a partial change in the form, position, state, or qualities of a thing. |
| adopt verb | /əˈdɑpt/ | To take voluntarily (a child of other parents) to be in the place of, or as, one's own child. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| get along verb | To interact or coexist well, without argument or trouble. |
| get back verb | Return to where one came from. |
| go out verb | To leave, especially a building. |
| reach out verb | To extend one's hand(s) forward; to reach for something. |
| shut off verb | To stop or turn off by closing something, such as a valve. |
| turn out verb | To end up; to result. |
Pronunciation to watch
The speaker uses 9 contractions and reduced forms, such as I'm, couldn't, she'll. Say them the short way, as you hear them.
- The “sh” and “zh” sounds: aspiration /ˌæspəˈɹeɪʃən/, revelation /ˌɹɛv.əˈleɪ.ʃən/, variation /ˌvɛəɹiˈeɪʃn̩/
- Long words — get the stress right: aspiration /ˌæspəˈɹeɪʃən/, genetically /d͡ʒəˈneɾɪkli/, revelation /ˌɹɛv.əˈleɪ.ʃən/, curiosity /ˌkjʊɹ.iˈɑ.sə.ti/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like marker, aspiration, conceive.
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.













