It is not unusual for the roots of some desert perennials to extend downward more than ten meters.

一些沙漠多年生植物的根向下延伸十米以上，这并不少见。

Perennials up to 25 cm high when flowering.

多年生植物，开花时可达25厘米高。

That's how I feel about my perennials, too.

这也正是我对我的无根植物的感觉。

And what about all those perennials she planted?

还有，她栽种的那些多年生植物该怎么办呢？

Plants that keep growing back are called perennials.

能生长很多年的植物叫perennial（多年生植物）。

Perennials like the azalea and forsythia bloom year after year.

多年生的植物如杜鹃、连翘一年接一年地开花。

Many weeds are deep-rooted perennials with tubers and rootstocks.

许多野草有不断深长的根，带块茎与根茎。

Perennials with slender, branched caudices; fruit oblong or elliptic.

多年生植物具纤细，分枝；果长圆形或椭圆形。

So a perennial is the opposite of an annual. Perennials come back year after year.

所以perennial就是annual的反义词，perennial是每年都有的。

I want real flowers, perennials which not only grow and change and die, but also rise again and astonish me.

我想要真正的花朵，那些不仅生长、变化和枯萎，并且复活并令我惊奇的多年生植物。

When you look at perennials versus annuals, trees and shrubs, there are more varieties coming into the perennials market.

相较一年生植物、乔木和灌木，进入市场的多年生植物品种相对多一点。

Our garden is really a park, with about 160 species of bamboo mixed with perennials and trees and all kinds of wonderful plants.

我们的花园就像是一个公园，大约有160种竹子，混合多年生植物和树木和各种奇妙的植物。

Perennials are still one of the best five out there for price value and the fact that you’re getting a lot of new varieties every year.

你必须了解市场动向，上述五类中多年生植物价格和价值是最高的，而且每年新品种很多。

All of our brands experienced significant decreases in sales for core products, including roses, perennials and garden-inspired gifts.

我们的品牌所有核心产品，包括玫瑰，多年生植物和园林风格的礼品销售显著下跌。

Under extreme drought conditions, water is the main factor affecting the environment which limits the type and quantity of perennials.

极端干旱条件下，水是影响环境的主要因子，将限制多年生植物的种类和数量。

In the garden plant perennials such as bee balm, catmint, rosemary and other "strong-smelling" herbs thought to deter ants and other pests.

种一些多年生植物如香蜂草，猫薄荷草，迷迭香和其他“有强烈气味的”草，以驱赶蚂蚁和其他害虫。

Located in a commercial park on 1/3 of an acre, the garden is an oasis of more than 123 species of trees, shrubs, perennials, grasses, and bulbs.

诺玛的花园座落在商务公园三分之一英亩处，该花园有超过123个植物种类，灌木，宿根花卉以及草类，球茎类植物。

The bud endo-dormancy in woody perennials, which formed during a long evolutional process, is a biological adaptability to the changes of environmental factors and different seasons.

木本植物芽的内休眠是植物经过长期演化而获得的一种对环境及季节性变化的生物学适应性，其机制较为复杂。

Giving a more generalized talk about perennials and annuals, for instance, is going to be of much greater interest to these retired senior citizens than discussing plant biochemistry.

做一个普及化多年生植物和长寿植物的演讲比做一个植物的生物化学方面的演讲，对那些已退休年老公民来说，显然更有吸引力。

With annuals and perennials suffering from little to no growth, the edible category presents many opportunities for sales growth and is a highly profitable sector with increasing demand.

一年生和多年生植物基本没什么增长了，可食用植物则上大有可为，需求日益增长表明其效益可观。

Although a tanking economy has pushed these hardy perennials down the list, crime is still on Britons' minds, with a third of them saying it is one of the important issues facing the country today.

尽管崩盘的经济占据了这些陈年固疾原来的位置，但是犯罪问题始终牵挂着英国人的心思，三分之一的英国人认为这是当今英国面临的重要问题之一。