01:30Learning
Can you see the grey box? Sensory adaptation explained by Kit Yates #sciencedemo #optical #sensory
The Royal Institution
Anna goes to a travel agent to find the Best Vacation Ever! But does she? Dan the Con Man wants to sell her the Most Expensive Vacation Ever. But does he? See the whole lesson at: https://learningenglish.voanews.com/a/lets-learn-english-level-2-lesson-5-greatest-vacation/4035571.html
Published 2017-10-24 · Watch on YouTube ↗
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01:30The Royal Institution
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29:29BBC Learning English
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