longness

n.长度

There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。

You can keep my book as long as you like. 我的书你要借多久都随你的便。

Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。

The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。

How long will our food supplies hold out? 我们的储粮还能维持多久?

It was a long trudge up the hill. 那段上山的路很难走。