livre (1) nourisson (1) monde (1) vidéo (1) son (1) modèle (1) matériau (1) exploration (1) évolution (1) discours (1) Acquisition (1) Illustrations (1) Description and travel (1) Illustrations (1) Voice (1) Speech (1) Sounds (1) Sound (1) Pharynx (1) Larynx (1) Language and languages (1) Gifts (1) Foundations (1) Example (1) Examinations (1) Evolution (1) Entail (1) Comprehension (1) Change (1) Sounds (1)