動詞 occupy:

1. be present in; be inside of
   同義詞：inhabit
2. keep busy with
   同義詞：busy
3. live (in a certain place)
   同義詞：reside, lodge in
4. occupy the whole of
   同義詞：fill
5. be on the mind of
   同義詞：concern, interest, worry
6. require (time or space)
   同義詞：take, use up
7. march aggressively into another's territory by military force for the purposes of conquest and occupation
   同義詞：invade
8. engage or engross wholly
   同義詞：absorb, engross, engage

1. Her time is fully occupied with her three children.
   她的時間全部用在她的三個孩子身上了。
2. How does he occupy himself now he's retired?
   他既已退休，那如何打發(fā)日子呢？
3. The striking office workers have occupied the whole building.
   罷工的辦公室人員占據(jù)了整座建筑物。
4. Many problems occupied his mind.
   他腦子里裝著許多問題。
5. Is that seat occupied?
   那個座位有人嗎？
6. The enemy occupied the town.
   敵人占據(jù)了這個城鎮(zhèn)。
7. Reading occupies most of my free time.
   閱讀占去了我大部分的閑暇時間。

oc.cu.py

v.tr.（及物動詞）
oc.cu.pied,oc.cu.py.ing,oc.cu.pies
To fill up (time or space):
占用：占用（時間或空間）：
例句：
a lecture that occupied three hours.
長達三個小時的講座

To dwell or reside in.
居住：在…居住或長期居住
To hold or fill (an office or a position).
占有：占有或位居（辦公室或職位）
To seize possession of and maintain control over by or as if by conquest.
占據(jù)：通過征服手段或相似手段獲得并保持對其控制
To engage, employ, or busy (oneself):
忙于：從事、雇傭或（自己）忙于：
例句：
occupied himself with sculpting.
他自己忙于雕刻

來源：
Middle English occupien
中古英語 occupien
alteration of Old French occuper
古法語 occuper的變化
from Latin occup3re [to seize]
源自 拉丁語 occup3re [抓住]
ob- [intensive pref.] * see ob-
ob- [常見前綴] *參見 ob-
capere [to take] * see kap-
capere [拿] *參見 kap-

【引伸】
oc.cupi.er
n.（名詞）