The centuries-old ritual seems headed for extinction.是什么意思？

The centuries-old ritual seems headed for extinction.

延续了几个世纪的仪式似乎要面临消亡。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

ritual

n. （宗教等的）仪式，例行公事，老规矩，典

例句
...a complex social ritual that says a lot about both the giver and the receiver.
关于捐赠者与受援者的复杂的社会礼仪

seems

v. 好像，仿佛（ seem的第三人称单数 ）；

例句
Almost like an accident of nature, this family has produced more talent than seems possible.
就像是天缘巧合，这个家族不可思议地人才辈出。

headed

adj. 有头的，有标题的；v. 用头顶（球）( head的过去式和过去分词 )，带领，使朝…方向行进，位于排行之首；

例句
He and Cohen appeared headed for a major blowup.
他和科恩像是要大吵一架。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

extinction

n. 熄灭，消灭，灭绝，废除，[物]消光，自屏，衰减；

例句
...the extinction of the marshes' unique ecology...
湿地独特生态的消亡