1. 占有；拥有
    If you are in possession of something, you have it, because you have obtained it or because it belongs to you.

    e.g. Those documents are now in the possession of the Guardian...
           那些文件目前在《卫报》手里。
    e.g. We should go up and take possession of the land...
           我们应该北上占领那片土地。

2. 所有物；财产；财物
    Your possessions are the things that you own or have with you at a particular time.

possession

    e.g. People had lost their homes and all their possessions...
           人们失去了自己的家园和所有的财物。
    e.g. She had tidied away her possessions.
           她已收拾好个人物品。

3. 属地；领地
    A country's possessions are countries or territories that it controls.

    e.g. All of them were French possessions at one time or another.
           它们都曾是法国的领地。
    e.g. ...Britain's imperial possessions.
           大英帝国的属地

4. 鬼魂附体；着魔
    Possession by an evil spirit is the situation when a person's mind and body is controlled by an evil spirit.

    e.g. They were convinced the girls' behaviour was due to possession by the devil.
           他们相信了这些女孩之所以有如此举动是因为鬼魂附体。