abstracted

1. ADJ Someone who is abstracted is thinking so deeply that they are not fully aware of what is happening around them. 心不在焉的; 心不在焉地[书面] [ADV with v]

The same abstracted look was still on his face. 那同样心不在焉的表情仍在他的脸上。

2. abstractedlyADV

She nodded abstractedly. 她心不在焉地点了点头。