back.log
n.(名词)A reserve supply or source.存货,储备:储备供应或来源An accumulation, especially of unfinished work or unfilled orders.积压:堆积物,尤指没完成的工作或未兑现的定单A large log at the back of a fire in a fireplace.垫底大木头:在壁炉里放在炉火后部的大圆木v.(动词)back.logged,back.log.ging,back.logs v.tr.(及物动词)To acquire (something) as a backlog.获得(某物)作为储备物v.intr.(不及物动词)To become a backlog.成为积压