A huge backlog of work had built up.
一大堆工作积
了起来。
之事，积
工作；没交付订货)大木柴
态: backlogged，backlogging，backlogs 
词A huge backlog of work had built up.
一大堆工作积了起来。
Investment is needed to reduce the backlog of repairs.
需要投资来減轻积
维修工作。
After her summer vacation,she has got a huge backlog of work to do.
暑假休假以后,她手头有许多积工作要做。
It will take a month to clear the backlog of work.
要花一个月
才能清理完积工作。
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