On average, monolingual and bilingual babies start talking around age 1 and can say about 50 words by 18 months.
平均来讲，单语和双语小孩子都在一岁左右开始讲话，在18月的时候能够说大概50个字。
On average, monolingual and bilingual babies start talking around age 1 and can say about 50 words by 18 months.
平均来讲，单语和双语小孩子都在一岁左右开始讲话，在18月的时候能够说大概50个字。
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