正在加载视频...
视频加载失败
Infants are the world’s most accomplished language learners. As the process unfolds, children pass through stages of progressively more complex “babbling” before they begin using conventional words. But babbling isn’t limited to spoken language. Deaf children and the children of deaf parents pass through similar stages as they approximate... show more
107,170 次观看 • 1 年前 •via X (Twitter)
0 条评论
暂无评论
原始帖子的评论将显示在这里


