a.

1. 缺席的，不在场的[（+from）]
   Three members of the class were absent this morning.

   今天早晨该班有三人缺席。

2. 缺少的，不存在的
   Snow is absent in his country.

   他的国家不下雪。

3. 茫茫然的，心不在焉的[B]
   He had an absent look on his face.

   他脸上露出心不在焉的神色。

adj.

1. not present.
2. showing a lack of attention.

v.

prep.