这家工厂仍在使用过时的设备。

The factory still uses ___obsolete equipment.

书籍会因为电脑而变得过时吗？

Will books become ___obsolete because of computers?

博物馆的展品中有许多过时的机器，没能给游客留下深刻印象。

The museum’s exhibit contained many ___obsolete machines that failed to impress visitors.