Kidsarefarbetterthan的精選

問題詳情：Kidsarefarbetterthanadultsatlearninghowtospeakmultiple（多樣的）languages.Researchnowshowsthatveryyounginfantsmighthavesomeofthebestlanguageskillsofall.Anewstudysuggeststhatbabiesbetween4and6month...