An auctioneer is a person in charge of an auction.
英汉词典释义
n.
拍卖人，拍卖商
The auctioneer knocked the bureau down to a furniture dealer from York.拍卖者将写字台卖给从约克来的家具商。Benson signaled the auctioneer quietly and kicked the bid up another thousand dollars.本森悄悄地向拍卖人做了个手势,然后把出价又抬高了1000美元。An auctioneer,at the moment of non-sale,should be required to state plainly to his audience that an item has been bought in.遇到无销路时,拍卖人必须向观众明确表示他已经买回自己送去的拍卖品。