Babbies usually - - - - -when they are nine months old 婴儿一般在九个月时开始学说话

匿名用户    2012-11-24 18:54    

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其他回答

begin to learn to speak 【俊狼猎英】团队为您解答。祝你进步。

匿名用户    2012-11-24 18:56

start/begin to learn to talk 如有问题,欢迎继续追问:) 求采纳~

匿名用户    2012-11-24 18:55