多年生植物种植者呢？
The perennial vegetation adjusts to the aridity by means of various avoidance mechanisms.
多年生植物会采用各种躲避机制以适应干旱。
We learned that the Botai were able to build large perennial villages, sometimes with hundreds of homes.
我们了解到博泰人能够建造大型的常年村庄，有时候村里有上百户人家。
Spartina alterniflora, known as cordgrass, is a deciduous, perennial flowering plant native to the Atlantic coast and the Gulf Coast of the United States.
互花米草，又称绳草，是一种落叶的多年生开花植物，原产于美国的大西洋沿岸和墨西哥湾沿岸。
How about attracting new people to perennial gardening and developing novice gardeners into avid gardeners?
吸引新的人们种植多年生植物，把园艺初学者发展成园艺爱好者怎么样？
But in experimental areas protected from fire, a few perennial grass species eventually come to dominate, outcompeting all others.
但在受火灾保护的实验区，一些多年生草本植物最终占据了主导地位，超过了其他所有植物。
GG: What about perennial growers?
GG;那对于多年生植物种植者呢？
That brings perennial cool solace;
常年送来清凉的慰籍；
And that's a perennial issue in philosophy.
这在哲学上也是一个经久不衰的问题。
Glass says infectious disease is a perennial concern.
格拉斯说，预防传染病应该是一种常年的关注。
The census is the subject of perennial squabbles.
人口普查一直是人们争论的主题。
Another perennial safe bet, but are they worth it?
这是另一个存在了多年的安全赌注，但是划算吗？
Africa also has its perennial musical powerhouses.
长期以来，非洲的音乐也有其自身的造诣。
There is a perennial shortage of water in this area.
这地区长期缺水。
Switchgrass is a perennial native grass that grows quickly.
柳枝稷是一种生长快速的多年生本地草种。
Where to put residents and tourists is a perennial question.
在哪儿安置居民和游客成为年复一年的难题。
A perennial also-ran in the search business, is taking a new tack.
在搜索领域长期生存的搜索引擎，将要有一项新的举措。
Despite some high notes, this power ballad is a perennial favorite.
尽管有些高音，这首充满力量的民歌是经久不衰的金曲。
Some tools are perennial; occasionally, some are obsoleted outright.
一些工具经久不衰，有些工具完全过时了。
At top, each service runs as a separate, perennial process, or daemon.
在上半部分，每个服务作为一个单独的长期的进程(即守护进程)运行。
I assume that's because France is such a perennial economic powerhouse.
我想这是因为法国长期以来的经济强国地位。
That crash points to the second, perennial reason for humility: stuff happens.
那次撞机事件指出了第二个应当谦虚的通常原因：事情总在发生。
It reflects a perennial worry in the Arab world about the state of the language.
它反映了长久以来对阿拉伯语世界内关于该语言现状的担忧。
They are trying to find the answer to the perennial question: what makes people happy?
他们试图寻找这一永恒问题的答案：什么才能使人们幸福？
Some of these challenges have slowly changed over time, but many of them are perennial offenders.
这些挑战中，有的会随着时间慢慢改变，然而更多的会持续反复地困扰我们。
Some of these challenges have slowly changed over time, but many of them are perennial offenders.
这些挑战中，有的会随着时间慢慢改变，然而更多的会持续反复地困扰我们。
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