大量欠单 英语怎么说

"大量欠单" 在英文中可以表达为 "a large number of outstanding orders" 或 "a large volume of outstanding orders."

这个词组通常用于商业或工业中，指企业在某一时期内收到的订单数量很多，但是这些订单并没有全部处理完成。

例句：

"We are currently experiencing a large volume of outstanding orders, so delivery times may be longer than usual." (我们目前有大量欠单，所以交货时间可能比平常更长。)
"The company has a backlog of orders, meaning they have a large number of outstanding orders that need to be filled." (这家公司有大量欠单，这意味着他们有许多未处理完成的订单需要填补。)