occupied
adjective uk/ˈɒk.jə.paɪd/ us/ˈɑː.kjə.paɪd/
有人居住的;被占领的，被侵占的
An occupied place is being controlled by an army or group of people that has moved into it.
occupied territory 占领区
She spent two years in occupied Paris (= Paris when it was under foreign control) during the war. 战争期间她在沦陷的巴黎住了两年。
使用中的，有人使用的
being used by someone; with someone in it
The bathroom at the back of the plane was occupied, so I waited. 飞机尾部的厕所有人使用，所以我等着。
忙于;感兴趣的
busy or interested
At that time I was fully occupied taking care of my elderly mother. 那段时间我的时间都用来照顾我年迈的母亲了。
All the new toys kept the kids occupied for hours. 这些新玩具让孩子们兴致勃勃地玩了好几个小时。