01:30Learning
Can you see the grey box? Sensory adaptation explained by Kit Yates #sciencedemo #optical #sensory
The Royal Institution
In tis video, learn to pronounce the new words. Then learn two ways to ask a question to clarify when you do not understand. Originally published at - http://learningenglish.voanews.com/a/lets-learn-english-lesson-20-speaking-practice/3397800.html
Published 2016-08-05 · Watch on YouTube ↗
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01:30The Royal Institution
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