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Baby sign
/bˈeɪbi sˈaɪn/
/bˈeɪbi sˈaɪn/
Noun (1)
"baby sign" 的定义和意义
Baby sign
名词
01
婴儿标志
the use of simplified signs or gestures by infants and toddlers to communicate basic needs, wants, and concepts before they have developed verbal language skills
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