perennial

名词 perennial:

1. a plant lasting for three seasons or more

形容词 perennial:

1. lasting three seasons or more
2. lasting an indefinitely long time; suggesting self-renewal
3. recurring again and again
   同义词：recurrent, repeated

1. A perennial woody plant having a main trunk and usually a distinct crown.
   树一种多年生木质植物，生有一个主干且常有一个很明显的树冠

per.en.ni.al

adj.（形容词）
Lasting or active through the year or through many years.
常绿的：全年或多年都充满生机

Lasting an indefinitely long time; enduring:
持久的：持续很长时间的；持久的：
例句：
perennial happiness.
永久的幸福

Appearing again and again; recurrent.See Synonyms at continual
不断出现的；重现的参见 continual
Botany Living three or more years.
【植物学】 多年生的：生长三年或三年以上的
n.（名词）
Botany A perennial plant.
【植物学】 多年生植物
Something that recurs or seems to recur on a yearly or continual basis:
长期存在的：长期或持续存在，反复出现的：
例句：
.that hardy perennial, the budget deficit.(David S. Broder)
.长期存在的预算赤字.(戴维S.布罗德)

来源：
Latin perennis per- [throughout] * see per annus [year] * see at-
拉丁语 perennis per- [通过] *参见 per annus [年] *参见 at-
-al
-al

【引伸】
peren.nially
adv.（副词）