absent表示“缺席”“不在（场）”：
He was absent from the meeting. 他开会缺席。
这是比较客气的说法，口语中常可用not be (there)表示：
The police learned that he wasn’t there at that time. 警察获知他那时不在场。 BrTsp40Z8EPoxXk7ChtA9YY6c6Ijl6JC46iJJyCnKjVNqtKaH7T+viwlwfHPOiUg
