vt.

1. 使全神贯注；使入神
   The question of whether life exists on other planets preoccupied the boy's mind.

   那男孩心中老是想着其他星球上是否存在生命这一问题。

2. 抢先占据；抢先占有
   The seats have been preoccupied.

   座位已给人家先占了。

v.