When do infants begin to use cooing sounds to test loudness and pitch of a language?
When do infants begin to use cooing sounds to test loudness and pitch of a language?
There are roughly three stages of first language development: cooing and babbling, one-word stage, two-word stage.
There are roughly three stages of first language development: cooing and babbling, one-word stage, two-word stage.
子曰：“《关雎》， 乐而不淫，哀而不伤。”中《关雎》的最佳英译为： A: Cooing and Wooing B: The poem Guanju C: The Cry of the Osprey D: Kuan Tseu
子曰：“《关雎》， 乐而不淫，哀而不伤。”中《关雎》的最佳英译为： A: Cooing and Wooing B: The poem Guanju C: The Cry of the Osprey D: Kuan Tseu
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