The babies in the United States are getting a lot better, babies in Japan are getting a lot worse, but both of those groups of babies are preparing for exactly the language that they are going to learn.
在美国的婴儿掌握这些发音比较好， 在日本的婴儿却差很多 但是这两组的婴儿 均蓄势待发地要学习语言。