a public event at which things are sold to the person who offers the most money for them. 拍卖
an auction of paintings. 绘画拍卖会。
（动词）auction sth off 拍卖掉(尤其是不再需要的东西) to sell sth at an auction, especially sth that is no longer needed or wanted.
The Army is auctioning off a lot of surplus equipment. 陆军正在把大量剩余设备拍卖掉。