out-of-date
adj. 老式的,过时的,落伍的
1. old; no longer in use or valid or fashionable;
These figures are very out of date.
这些数字早已过时。
A passport that is out of date is invalid.
护照过期是无效的.
This kind of machine is out of date.
这种机器过时了.
These sets of machines were out of date.
这几套机器过时了.
Think how rapidly medical knowledge has gone out of date in recent years.
想一想近些年医学知识更新得有多快。