参加拍卖活动to take part in an auction

• 北京第四届民间邮品拍卖会上有134件珍贵邮品参拍。

  134 rare and valuable philatelic items were auctioned in the 4th Beijing Civil Philatelic Auction.

• 来自全国各地的86家参拍企业在网上展开激烈的竞争。

  The 86 enterprises taking part in the auction, from all over the country, entered into fierce competition on the Internet.