“尘封”造句

许多机器尘封在地下室里。
Many of the machines are gathering dust in basements.

那些书看上去褪了色，尘封已久。
The books looked faded, dusty and unused.

一旦那些事件尘封为历史，这个想法似乎就变得不那么可怕了。
Once events are safely in the past, this idea seems to become less alarming.