1. 小地毯;垫子
    A rug is a piece of thick material that you put on a floor. It is like a carpet but covers a smaller area.

rug

    e.g. A Persian rug covered the hardwood floors.
           硬木地板上铺着一张波斯地毯。

2. (盖肩膀或膝盖以保暖的)围毯，小毯子
    A rug is a small blanket which you use to cover your shoulders or your knees to keep them warm.

    e.g. The old lady was seated in her chair at the window, a rug over her knees.
           老太太坐在窗边的椅子上，膝盖上盖着一条小毯子。
    e.g. ...a travel rug.
           旅行毛毯

3. 不再支持;停止帮助
    If someone pulls the rug from under a person or thing or pulls the rug from under someone's feet, they stop giving their help or support.

rug的翻译

    e.g. If the banks opt to pull the rug from under the ill-fated project, it will go into liquidation.
           如果这些银行不再对这个倒霉的项目提供支持，它也就破产了。