Like the ABCD, or Adolescent Brain and Cognitive Development Study, which is currently following over 10,000 kids for 10 years.

就像ABCD，即青少年大脑和认知发展研究，这项研究目前对1万余名儿童进行了10年的追踪调查。

This study was a first look at this group of kids from the ABCD study.

这项研究是对 ABCD 研究中这组孩子的首次观察。

All were taking part in what's known as the Adolescent Brain Cognitive Development (ABCD) Study.

所有人都参加了所谓的青少年大脑认知发展（ABCD）研究。

The second type is slightly different because on the map we see letters ABCD and those mark different locations and questions are actually at the bottom.

第二种略有不同，因为在地图上我们看到字母 ABCD，这些字母标志着不同的位置，问题实际上在底部。