translation.en: They found that when you learn a language as a child, as a two-year-old, you learn it with a certain part of your brain, and when you learn a language as an adult -- for example, if I wanted to learn Japanese right now — a completely different part of my brain is used.
translation.zh: 他们发现当你还说小孩时学习一门语言 比如2岁大， 你使用大脑的特定的部分来学习它， 当你作为一名成年人来学习它的时候—— 比如，我现在想学习日语—— 我的大脑的一个完全不同的部分被使用了。