There is a backlog of repairs and maintenance in schools.

学校里有积压下来等待处理的维修和养护工作。

《柯林斯英汉双解大词典》

This ripples out and causes a backlog in your own work.

这会泛起涟漪，导致你自己工作积压。

youdao

Write posts in advance: Build up a backlog of three or four (or more) posts.

提前写好几篇博文: 积累三到四篇（或更多）事先写好的博文，以免下次没有话题。

youdao

The aid group Doctors Without Borders says at some of its surgical centers there is a 10 to 12 day backlog of patients, some of whom are dying from infection of untreated wounds.

VOA: standard.2010.01.21

Defra admitted last week that it had a backlog of 400, 000 "tasks" still to complete.

BBC: [an error occurred while processing this directive]

Flights are now landing at Koh Samui, but a backlog is causing long delays.

BBC: Thailand tourist islands flood in deadly rains

The University Hospital of Wales alone has a backlog of 40, 000 patients still waiting to be coded.

BBC: RAMI: Ropey And Muddled Information?