1·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。
2·It holds water remarkably well and helps feed the perennial streams on which they and the animals that live on the mountain rely.
铝土能极好地保持水分，还能使他们和住在大山中的动物赖以为生的溪流常年保持流淌。
3·It is feared the mine could dry up dozens of perennial streams and two rivers that run through the hills, while pollution could damage fruit orchards and plants said to possess medicinal properties.
人们担心，开采矿藏可能导致流经山脉的数十条常年溪流以及两条大河出现干涸，污染物还可能给果园和秧苗带来损害，比如一些药用作物。
4·But the hopeful maxim of Dickens's perennial debtor that "something will turn up" nourishes American housebuilders.
但是，狄更斯笔下的常年债务人的希望格言“总会有的”滋养着美国的房产建筑商们。
5·Before the season the Heat added perennial all-star forward Chris Bosh and superstar forward LeBron James to a team that was headed by talented guard Dwayne Wade.
在赛季开始前，热队加入了常年全明星前锋克里斯·波什和超级明星前锋勒布朗·詹姆斯，进而组成一支由天才后卫德维恩·韦德带领的球队。
1·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。
2·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。
3·Meanwhile, regarding the problem of coaxing plants to allocate more carbon to their root systems, Jansson says an important difference between perennial and annual plants is a good place to start.
同时，问题是可考虑哄骗植物分配更多的碳到根系，简颂指出多年生和一年生植物间的关键差异是一个良好的起动点。
4·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。
5·Farmers nationwide were encouraged, sometimes with cash payments, to stop cultivating their land and to plant native and perennial grasses.
全国农民受到鼓励(有时付给现金)放弃耕种自己的土地，而去种植天然牧草和多年生牧草。
1·What about perennial growers?
多年生植物种植者呢？
2·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？
3·GG: What about perennial growers?
GG;那对于多年生植物种植者呢？
4·Slender erect perennial of eastern north america having tuberous roots and pink-tinged white flowers; resembles meadow rue.
生长于北美东部的细长，笔直的多年生植物，具有块茎状的根和粉白色的花；类似于唐松草。
5·Sugar cane is a tropical perennial. It 's one of the grasses.
甘蔗是一种热带多年生植物，它是一种禾本科植物。