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 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
