正常情况下，对于婴儿和孩子们都是开始学会说，慢慢变得流利，然后开始学会读，之后开始学会写。
It is normal for babies and children to learn speaking first, become fluent, then start reading, then writing.
正常情况下，对于婴儿和孩子们都是开始学会说，慢慢变得流利，然后开始学会读，之后开始学会写。
It is normal for babies and children to learn speaking first, become fluent, then start reading, then writing.
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