yawn

US /jɔn/

UK /jɔ:n/

B1
n.NounOpening the mouth wide and take a deep breath
I can see that you're tired, because of your yawn
v.i.Intransitive VerbTo open the mouth wide and take a deep breath
I saw him yawn several times during the lecture

Video subtitles

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The Crash Course - Chapter 18 - Fuzzy Numbers

20:27The Crash Course - Chapter 18 - Fuzzy Numbers