Backlog
01
积压, 待处理任务的积累
a collection of tasks, orders, or materials that have not been completed or processed, requiring attention
例子
The company 's backlog of customer orders grew due to delays in production.
由于生产延迟，公司的客户订单积压增加了。
The backlog of paperwork on her desk piled up after she took a few days off.
她休了几天假后，桌上的文书积压了起来。
02
储备, 库存
something kept back or saved for future use or a special purpose
03
壁炉火堆后面的大木头, 炉火后面的大木柴
the large log at the back of a hearth fire
to backlog
01
积累并造成积压, 积累积压
accumulate and create a backlog
