auction[英][ˈɔ:kʃn][美][ˈɔ:kʃn]n.拍卖; 竞卖; 标售; （桥牌）拍卖玩法; vt.拍卖; 竞卖; 第三人称单数：auctions过去分词：auctioned复数：auctions现在进行时：auctioning过去式：auctioned例句:1.What art auction trends are you watching? 问：你关注的艺术品拍卖趋势有哪些？ 2.This is reportedly the first time yields turned negative at a german debt auction. 据报道，这是德国国债拍卖首次出现负收益率。
长腿蚊子
