She was lost in thought, and did not seem to notice that everyone was looking at her.

她沉思着，似乎没有注意到大家都在看她。

His gaze had wandered upward to the body revolving slowly overhead, and he seemed to be lost in thought.

他凝视着上方那个缓缓旋转的身体，好像陷入了沉思。

Maybe people who are lost in thought, they're not thinking about the physical details around them.

也许那些陷入沉思的人，他们不会思考周围的物理细节。

She took no notice now of the dripping from the trees; she was lost in thought on other things.

她现在没有注意到从树上滴下来的水。 她在想别的事情。

He would stop reading while he looked up a word in the dictionary or sometimes when he was lost in thought.

当他查字典或想得出神时会停止阅读。