贯注

例句：

1. 1. Sheis engrossed in herwork, completely absorbed by the task athand.
   她全神贯注于工作，完全被手头的任务吸引。
2. 2. The teacherinstructed us to concentrate on the lesson andnot be distracted by our phones.
   老师要求我们专心听讲，不要被手机分心。
3. 3. During thepresentation, the speaker wasso engrossedin his explanation that he didn't notice when the audience began to leave.
   演讲者在讲解时非常专注，以至于没有注意到听众开始离开。