absent

缺席的、不在的

Three students were absent from class again today.

今天又有三个学生没来上课。

缺乏的、不存在的

Any sense of humor was completely absent in his speech.

他的演讲里完全没有一点幽默感。

心不在焉的、出神的

She gave me an absent smile and kept reading.

她心不在焉地对我笑了一下，继续看书。

缺席、离开正式；常用 absent oneself

He absented himself from the meeting without any explanation.

他没有任何解释就缺席了那场会议。

在缺少…的情况下、若无正式

Absent further evidence, the case will be dismissed.

在没有进一步证据的情况下，此案将被驳回。