de.cen.ni.al
adj.(形容词)Relating to or lasting for ten years.与十年有关的,延续十年的Occurring every ten years.每十年都发生的n.(名词)A tenth anniversary.十周年纪念
来源:From Latin decennium [a period of ten years] * see decennium 源自 拉丁语 decennium [十年期] *参见 decennium
【引伸】
decen.nially
adv.(副词)