gavel characteristics砂砾特性
auctioneer's gavel拍卖商的小槌
plastic consolidated gavel塑料胶结砾石
N-COUNT（可数名词） A gavel is a small wooden hammer that the person in charge of a law court, an auction, or a meeting bangs on a table to get people's attention. (法官、拍卖人、会议主席等用的)小木槌