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3 years ago
CrashCourse
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John Green
Hank Green
vlogbrothers
Crash Course
crashcourse
education
language
linguistics
babbling
child directed speech
one word phase
two word phase
wug
wug test
Jean Berko-Gleason
overextending rules
critical period
language deprivation
language transfer
biligualism
multilingualism
code switching
heritage language
PBS
lingthusiasm
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