비디오 정보 Articulation
articulation (11)
voice (66)
breathing (42)
speaking (145)
speech (63)
exercise (162)
public speaking (39)
english (487)
scales (40)
music (528)
communication (111)
pitch (24)
education (1260)
vowels (37)
rhythm (55)
lips (22)
vocal (16)
tongue (10)
pronunciation (217)
accent (72)
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