translation.en: So if you look at gray matter volume, for example, gray matter volume across age from age four to 22 years increases during childhood, which is what you can see on this graph. It peaks in early adolescence.
translation.zh: 举个例子，如果你去看大脑灰质 从4岁起到22岁的大脑灰质 会在童年时期会增加，也就是现在在图表上你能看到的 在早期的青春期会到达顶峰