n.积压未办之事；没交付的订货；存货，储备；vt.（使）积压；储存； 变形： 复数：backlogs过去式：backlogged过去分词：backlogged现在分词：backlogging第三人称单数：backlogs 英英释义： backlog[ 'bæklɔɡ ]n.an accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled custome