n.积压未办之事( backlog的名词复数 )；没交付的订货；备用；备用物v.（使）积压( backlog的第三人称单数 )；储存；（为日后装运而）登账确认（订货）； 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 customer orders for products or s