lay down的过去式
过去式是: laid down 放下；铺设；主张；贮藏 The revolutionaries laid downtheir arms and their leaders went into voluntary exile. 这些革命者们放下了武器，他们的领袖们自愿流亡。 One photographer lay down on the floor to get a shot up my skirt .一个摄影师竟然躺在地上抓拍我的裙底春色。 He lay down and woke up...