音标：['bæklɔ^] ；柯林斯词典等级：1 级；

n. 积压待办的事务, 积压而未交付的订货, 积压的工作
vt. 储备, 把...积压起来
[计] 储备, 后备, 积压

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 services)
n. the large log at the back of a hearth fire
v. accumulate and create a backlog

词型变化：名词复数形式 : backlogs ; 过去分词 : backlogged ; 现在分词 : backlogging ; 过去式 : backlogged ; 第三人称单数 : backlogs

词性分布：

名词100%

backlog的用法和样例：

例句

用作名词(n.)

My secretary can not cope with the backlog of paperwork.我的秘书无力处理积压下来的文书作业。
It will take a month to clear the backlog of work.要花一个月的时间才能清理完积压的工作。

用作动词(v.)

Orders are starting to backlog faster than we can process them.订单开始形成积压,我们来不及处理。

词汇搭配

backlog of business现有定货量
backlog demand未满足需求
backlog of orders现有定货量,已接受订...
message backlog报文积压
traffic backlog业务积压
order backlog[经] 未交定货...
significant backlog有效储备
backlog reporting未交订货报告<表>...
backlog document积压文件
backlog of unfilled orders[经] 未完成订单...

【近义词】

accumulation积聚
bottleneck瓶颈
buildup集结
excess超过
logjam浮木阻塞
surfeit过食
stockpile贮藏堆
reserve保留
log原木

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