baby talk

US /ˈbeɪ.bi ˌtɔːk/
UK /ˈbeɪ.bi ˌtɔːk/
"baby talk" picture
1.

兒語, 嬰兒語

a simplified type of speech used by adults when talking to young children, or by young children learning to speak

:
She used baby talk when speaking to her newborn niece.
她和剛出生的侄女說話時用兒語
The toddler's baby talk was adorable.
蹣跚學步的孩子說的兒語很可愛。