时间:2019-01-03 作者:英语课 分类:2018年VOA慢速英语(四)月


英语课

 


Each year at the start of spring, more than 1 million people travel to Washington, D.C., for one major reason: the cherry blossoms.


Most of the travelers visit an area known as the Tidal Basin. During “peak bloom,” the Tidal Basin is bursting with color. It is also bursting with people.


But there is another, quieter way to enjoy Washington’s cherry blossoms.


Cherries at the Arboretum 1


About eight kilometers across town, you will find the United States National Arboretum, a huge public garden and research collection.


The United States Congress established the Arboretum in 1927. Its aim is to use research and conservation to improve the appearance and environmental and economic value of plants.


Cherry tree research is one of the Arboretum’s specialties 2, says Margaret Pooler. She is the director of research. She and her team work on developing a larger base of cherry trees.


“Most people know the Yoshino Cherries, they know the Kwanzan Cherries, the familiar one that you see down at the Tidal Basin. But what a lot of people don’t realize is that there’s so many other species that we can use to broaden the base of the cultivated plants that we see. So, that’s what we’re trying to do.”


Today, the Arboretum has more than 1,000 different cherry trees. Some are short and wide. Others grow tall. A few are “weeping” trees. Their long, flowering branches hang down near the ground.


Pooler showed VOA Learning English around the Arboretum’s research field. In late March and early April, this wide, open space comes to life with flowering cherry trees. Some produce bright white blooms. Others are different shades of pink.


Many of them are new species of cherry trees developed by Arboretum scientists themselves. They are “hybrid 3” cherry trees, Pooler explains.


“In our research program, we create hybrids 4. That is, we take pollen 5 from one plant and put it on another plant to combine the best traits from both of those. And so, most of the plants here in our research field are various hybrids of that kind that we’ve created.”


Most of the hybrids are known only by number. But scientists have given some of hybrids names, such as Dream Catcher and First Lady. One cherry hybrid is called Helen Taft, in honor of the wife of former U.S. President William Howard Taft. She played an important role in bringing cherry trees to America.


“The really, really good ones, those are the ones that we end up naming and we release to...the public to then grow and produce.”


Pooler has worked on cherry trees at the Arboretum for more than 20 years. She lists two “weeping” trees as among her favorites there.


“I like them because they’re just huge. I mean, they’re just awesome 6 trees. But I like them also because they tend to not bloom very long. When they’re in bloom, they’re just spectacular.”


The Arboretum has a self-guided tour of its cherry trees. People can use the small book to learn about the different species. The book describes about 35 kinds of cherries.


Among them are genetic 7 matches of a few of the original trees that were planted at the Tidal Basin back in 1912. The trees were a gift to the United States from Japan.


“Very few of those original plants still exist there. We got involved with the National Park Service a few years ago to help propagate or clone some of those original plants. So, we have some of those planted here.”


Visiting the Arboretum


Antonio and Marlen are from Spain and now live in the state of Maryland. They visited the Arboretum with their two young children and had a picnic near one of the flowering trees. The family had gone to the Tidal Basin earlier that day to see the cherry blossoms, as well.


“Here you see nature around, which is like, better...I prefer Arboretum than [to] Tidal Basin.”


Emily Kowalksi and Elisabeth Seburg had just arrived to Washington from Minnesota. They came straight from the airport to the Arboretum to see the cherry blossoms, Kowalski said.


“There’s this one we just walked up on and from afar, just the view from afar you can’t even take a picture of it because it’s just something you have to take in with your own eyes.”


Whether at the Arboretum, the Tidal Basin or elsewhere, cherry blossoms are a special part of life in America’s capital. Along with being beautiful to look at, the trees are something Washingtonians can “count on” every year, Pooler says.


“Even when the spring is late or drawn 8 out or cold or even when winter is freezing cold and our temperatures are terrible, we know, no matter what happens…even when things are happening in Washington politically…it doesn’t matter. These cherries are going to bloom every year. We can totally count on them.”


I’m Ashley Thompson.


Words in This Story


garden - n. an area of ground where plants (such as flowers or vegetables) are grown


broaden - v. to make (something) wider or more general


cultivated - adj. raised or grown on a farm or under other controlled conditions?


shade - n. a particular type of a color that is lighter 9, darker, etc., than other types — usually + of


awesome - adj. extremely good


spectacular - adj. causing wonder and admiration 10 : very impressive


tour - n. an activity in which you go through a place (such as a building or city) in order to see and learn about the different parts of it


match - n. someone or something that is equal to or as good as another person or thing


original - adj. happening or existing first or at the beginning


propagate - v. to produce (a new plant)


clone - v. to make an exact copy of (a person, animal, or plant)



n.植物园
  • We can go to the arboretum in the southern suburb.我们可以去南郊的植物园。
  • The arboretum is full of exotic flowers and rare herbs.植物园里长满了各种奇花异草。
n.专门,特性,特别;专业( specialty的名词复数 );特性;特制品;盖印的契约
  • Great Books are popular, not pedantic. They are not written by specialists about specialties for specialists. 名著绝不引经据典,艰深难懂,而是通俗易读。它们不是专家为专业人员撰写的专业书籍。 来自英汉 - 翻译样例 - 文学
  • Brain drains may represent a substantial reduction in some labor force skills and specialties. 智力外流可能表示某种劳动力技能和特长大量减少。 来自辞典例句
n.(动,植)杂种,混合物
  • That is a hybrid perpetual rose.那是一株杂交的四季开花的蔷薇。
  • The hybrid was tall,handsome,and intelligent.那混血儿高大、英俊、又聪明。
n.杂交生成的生物体( hybrid的名词复数 );杂交植物(或动物);杂种;(不同事物的)混合物
  • All these brightly coloured hybrids are so lovely in the garden. 花园里所有这些色彩鲜艳的杂交花真美丽。 来自辞典例句
  • The notion that interspecific hybrids are rare is ill-founded. 有一种看法认为种间杂种是罕见的,这种看法是无根据的。 来自辞典例句
n.[植]花粉
  • Hummingbirds have discovered that nectar and pollen are very nutritious.蜂鸟发现花蜜和花粉是很有营养的。
  • He developed an allergy to pollen.他对花粉过敏。
adj.令人惊叹的,难得吓人的,很好的
  • The church in Ireland has always exercised an awesome power.爱尔兰的教堂一直掌握着令人敬畏的权力。
  • That new white convertible is totally awesome.那辆新的白色折篷汽车简直棒极了.
adj.遗传的,遗传学的
  • It's very difficult to treat genetic diseases.遗传性疾病治疗起来很困难。
  • Each daughter cell can receive a full complement of the genetic information.每个子细胞可以收到遗传信息的一个完全补偿物。
v.拖,拉,拔出;adj.憔悴的,紧张的
  • All the characters in the story are drawn from life.故事中的所有人物都取材于生活。
  • Her gaze was drawn irresistibly to the scene outside.她的目光禁不住被外面的风景所吸引。
n.打火机,点火器;驳船;v.用驳船运送;light的比较级
  • The portrait was touched up so as to make it lighter.这张画经过润色,色调明朗了一些。
  • The lighter works off the car battery.引燃器利用汽车蓄电池打火。
n.钦佩,赞美,羡慕
  • He was lost in admiration of the beauty of the scene.他对风景之美赞不绝口。
  • We have a great admiration for the gold medalists.我们对金牌获得者极为敬佩。
学英语单词
acceptance supra-protest
advanced software environment
antifading antenna
Arabian Plate
arterio-dialysis
athyroid
attrition test
b. m. thyreohyoidei
balloon filter
benziodoxole
boil-eddy
bushites
cancrinite nordsjoite
ceramic-based
cercospora hyalospora
circumscribing square
clamshell brake
coaxial line oscillator
cockpit atmospheric pressure regulation system
collision stress
commutated doppler
couson
crurotarsans
decutient
delimiting period
dislocation formation
djp
e1
Edward River
erwinia tracheiphila (e.f.smith) holland
extension blocks
Fludara
foramina rotundum
foxtail grass
get around to sth
green revolution?
hackensack
hamonic mixer
hemispherical shell
home shopping
hydroxypetachloride
incrementals
indirectness
joistless
kosar
Kyburg paradox
language ability code
Lanlate
length-to-diameter(ratio)
low pressure flame
low priority traffic
mail virus
medical-student
mesophylic
method of calling
method of orthogonal projection
Meynet's nodes
microengine
mimeography
Mont Cenis, L.du
Neilston
nettle-leaved bellflower
oblique-swimming triplefin
package tours
party election
Pedomicrobium ferrugineum
perispermum
piezoelectric ceramic tuner
planetary monsoon
plastic art
power window
propaquizafop
qutab
radial route
RDPS
realismo
replugged
rondeaux
sales executive
script language
shore sth under the carpet
skift
source level interactive debugger
specialized foreign-trade corporation
spheric conductor
subqualities
sulfocarbamide
sweet flavo(u)r
taa-
telecounter
terminal assessment
tie-line interchange
total pressure of fan
tractor drive shaft
tral
trimerthadione
twifold
unaltered rock
uncapitalise
unmaximizes
wheelable
yn