occupy oneself in

例句：

1. 1. The houseis occupied by a large family.
   这所房子被一个大家庭占据。
2. 2. Heoccupied the chair for themeeting.
   他在会议中占据了那个椅子。
3. 3. The company was occupied with itsnew product launch.
   该公司忙于其新产品的发布。