积压航班

flight backlog

例句：

A massive flight backlog was growing and scientists feared that history could repeat itself with yet another volcanic eruption in Iceland.

积压航班数量非常大且呈上升趋势，科学家担心如果冰岛再有火山喷发，这一历史将重演。

*以上新闻由ChinaDaily双语手机报提供