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标题: 词汇与表达：backlog [打印本页]

作者: etthink 时间: 2023-1-4 07:25
标题: 词汇与表达：backlog
A backlog is a number of things which have not yet been done but which need to be done.
There is a backlog of repairs and maintenance in schools.
对各学校的修缮和维护工作积压了一堆。

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