单词perennial
adj.: 长久的；持续的；反复出现的；多年生的
n.: 多年生植物
网络: 终年的；常年性；长期的
长久的；持续的；反复出现的:
continuing for a very long time; happening again and again
多年生的:
living for two years or more
多年生植物:
any plant that lives for more than two years
〔牧〕多年生牧草
多年生植物
【动物;动物学】(牙齿等)不断生长的;(昆虫)活一年以上的
【植物;植物学】多年生的
不断的重现的
四季皆有的
始终,总是
长期的
四季不断的,终年的;继续多年的;(青春)永驻的
常年的
复数：perennials
Adj.+n.:
perennial problem,perennial question
adj.recurrentreturningperpetualconstantpersistent
adj.occasional
Through the first five years of the LeBron James Era, the Cavaliers were in a perennial search for stability in the backcourt.
詹姆斯时代的这五年来，骑士长期都在寻求着一个稳定的后场阵容。
The implied promise evidently was that of life raised to its highest development of perennial bliss and glory.
所暗示的应许显然是高举到永恒的福分和荣耀，其最高发展的那种生活。
In the early days of browsers, a perennial and annoying problem was only being able to have one window open at a time.
在浏览器诞生之初，一个烦人的问题就是一次只能打开一个网页。
Nothing I touch seems to have any permanency, and even literature, the greatest love of my life, is beginning to lose its perennial joy.
没有什么我接触的是永恒的，即使是文学，我生命中的最爱，也开始失去它持久的快乐。
A perennial question asked by all Agile methods is "How much estimation is too much? "
所有敏捷方法都会问的一个问题是：“多少评估足够了？”
The root of a perennial called astragalus has long been used in Chinese medicine to boost the body"s defenses, often with other herbs.
黄耆属多年生草本植物，长期以来在中药中一般都同其它草药一起用来提高人体的抵抗力。
EK: Over the next few years, I think you"re going to see a shakeout with some of the perennial growers.
艾德.基莉：在以后的几年里，你将看到一部分多年生植物生产者将慢慢走向衰落。
Game fixing and bribery scandals have fueled widespread cynicism, and on-court fisticuffs have been a perennial problem.
操纵比赛与贿赂丑闻广受批评，球场暴力也成了老大难问题。
Not the words of some perennial China-basher, but those of Premier Wen Jiabao himself in a recent interview.
这并非那些长期反华人士的言论，而是温家宝总理在最近一次访谈中的讲话。
The perennial whiskey glass was in his hands, and he drained it with shaking fingers.
他手上仍然照例擎着威士忌酒杯，手指颤抖着喝光了酒。