短语讲解:
1. The earliest children tend to be diagnosed at the age of two.
at the age of 在…岁时
例句:He'd dropped out of high school at the age of 16
他16岁的时候就从中学退学了。
2. Some cases are not picked up until children go to school.
pick up 捡起; 接载; 学会
例句:Pick up your garments and hang them in the closet.
把你的外套收起来挂到衣柜里。