树根生长周期性

[00:00.00]Two Acorns 两粒橡子 [00:05.74]If you want to understand adversity, [00:08.90]take two identical acorns from the same oak tree [00:12.96]and plant them in two different locations. [00:15.91]Plant the first in the middle of a dense forest, [

发表于:2018-12-06 / 阅读(102) / 评论(0) 分类 语言的力量

Agriculture Report - Getting to the Root of How to Water Trees This is the VOA Special English Agriculture Report. Some trees can survive a long time without water. Think of trees that grow in the desert. But other trees may need more moisture than t

发表于:2018-12-07 / 阅读(134) / 评论(0) 分类 2011年VOA慢速英语(八)月

00:00.00] This tree has a thick trunk,That tree has a thin trunk. [00:13.51]B Tina is writing about her favourite tree. [00:21.37]Help Tina to finish her writing:Use some of these words to help you.Here are these answers. [00:46.39]There is a tree ou

发表于:2018-12-13 / 阅读(105) / 评论(0) 分类 小学英语深圳双语版五年级

The Secret Life of Roots Plant roots are important to life on earth. Roots take in water and nutrients that the plant needs to live and grow. They also help secure plants in dirt to prevent erosion - the breakdown of soil by natural forces. Roots are

发表于:2018-12-16 / 阅读(77) / 评论(0) 分类 2015年VOA慢速英语(九)月

When I was growing up, I had an old neighbor named Dr. Gibbs. He didnt look like any doctor Id ever known. He never yelled at us for playing in his yard. I remember him as someone who was a lot nicer than 1)circumstances warranted. When Dr. Gibbs was

发表于:2019-01-02 / 阅读(82) / 评论(0) 分类 精美英文欣赏

如果一颗小小的苹果树种子静静地躺在你的手心里,你会想到什么?就是这样一颗小小的种子,引发了作者的遐思:为什么不是每颗种子都能长大?为什么不是每个梦想都能开花?读读下面这

发表于:2019-01-07 / 阅读(186) / 评论(0) 分类 英语阅读理解

The Taiga 针叶林 The taiga is the forest in cold areas of the Earth. 针叶林是位于地球寒冷地区的森林。 We can find the taiga in Alaska, Russia, Canada, Finland and many other places. 阿拉斯加、俄罗斯、加拿大、芬兰和许

发表于:2019-01-10 / 阅读(65) / 评论(0) 分类 与美国小学生一起学英文第8册

Stem 茎 A stem is a part of a plant. 茎是植物的一部分。 It helps to hold up the flower. 它帮着支撑花朵。 It also moves water from roots to leaves. 它也能把根部的水运输到叶子那里。 What is the tallest tree with the ta

发表于:2019-01-10 / 阅读(67) / 评论(0) 分类 与美国小学生一起学英文第2册

By Carol Pearson Washington 23 May 2008 Breast cancer researchers have recently come to some important conclusions for women. The universities of Chicago and Toronto released a study that shows a link between the spread of breast cancer and vitamin D

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2008年(五月)

MICHEL MARTIN, HOST: Now I need to warn you that this next story is a slight bummer if you celebrate Christmas and you happen to celebrate with a freshly-cut evergreen. It turns out that you might be getting a Charlie Brown tree this year - you know,

发表于:2019-01-16 / 阅读(65) / 评论(0) 分类 2017年NPR美国国家公共电台12月

ARI SHAPIRO, HOST: Richard Powers likes to explore big ideas in his novels. He has written about artificial intelligence, game theory, genetics, music and a lot of other things. In his latest book, The Overstory, Powers takes on trees and the lives o

发表于:2019-01-16 / 阅读(107) / 评论(0) 分类 2018年NPR美国国家公共电台4月

ROBERT GARCIA, HOST: What's up, everybody? Peace. Just a heads up, there may be some strong language in this episode. Ooo (ph). ADRIAN BARTOS, HOST: Some bad words. BLACK THOUGHT: Hey, what's up? This is Black Thought from the legendary Roots crew. A

发表于:2019-01-17 / 阅读(268) / 评论(0) 分类 2018年NPR美国国家公共电台9月

If you want to understand adversity, take two identical acorns from the same oak tree and plant them in two different locations. Plant the first in the middle of a dense forest, and the other on a hill by itself. Heres what will happen. The oak stan

发表于:2019-01-17 / 阅读(83) / 评论(0) 分类 白领英语晨读

Food Chain Regulation Biologists who study natures food chain agree about the basic links in the chain: sunlight provides fuel for plants, plants are consumed by herbivores, and herbivores are eaten by carnivores. But researchers arent sure about all

发表于:2019-01-17 / 阅读(71) / 评论(0) 分类 英语时差8,16

He smiled back, though, looking allured. Then he lifted one eyebrow and his voice was even huskier than before. 但他向我微笑着,显然已经上钩了。然后他挑起一侧眉头,声音变得比之前更为沙哑了。 Do you like scary st

发表于:2019-01-18 / 阅读(55) / 评论(0) 分类 暮光之城•暮色

怎么才能让小树健康成长呢? THERE is a lot more to planting a tree than just putting it into the ground. Even before planting the tree you need to decide which kind of tree to plant. And,

发表于:2019-01-20 / 阅读(125) / 评论(0) 分类 奥运英语

Prehistoric Amber Reveals Natural Ancient Alliance Scientists say a piece of amber - recently found in India and dating back at least 52 million years - offers proof of the ancient relationship between fungi and flowering trees, which sustains modern

发表于:2019-02-06 / 阅读(103) / 评论(0) 分类 VOA标准英语2012年(二月)

如果一颗小小的苹果树种子静静地躺在你的手心里,你会想到什么?就是这样一颗小小的种子,引发了作者的遐思:为什么不是每颗种子都能长大?为什么不是每个梦想都能开花?读读下面这

发表于:2019-02-07 / 阅读(91) / 评论(0) 分类 英语美文

4 Ways to Unlock Natures Secret for Limitless Growth The large, maple tree that shades our house disperses whirly, helicopter seeds. From these seeds, trees grow almost anywhere, amongst flowers and between grape vines. Trees even weave in and out of

发表于:2019-02-07 / 阅读(79) / 评论(0) 分类 阅读空间

Science and technology 科学技术 Robot plants Putting down roots 植物机器人 落地生根 A robotic model of what plants get up to under the surface 模仿植物根部工作的机器人模型 PEOPLE often forget, when looking at a garden, mead

发表于:2019-02-18 / 阅读(65) / 评论(0) 分类 经济学人科技系列
学英语单词
aggregate economics
alphabetisms
amar'e
amount in figure
as of right
Basuki
Botox
branwhites
calculated capacity
carboloy zinc cell
case for the defendant
chargeable assets
chemical weathering
Chinese button knot
Chuangia
cofiltration
conjoint sovereighty
cutting space
decocted
dental care
design organization
diesel combustion
disjunctive-conjunnctive goal
domotic
economical industrialist
electromagnetic isotope-separation unit
electronic thermometre
Elm Grove
environmental micrology
ex-military
exfoliating
existing masonry
fieldlike
flash x-ray
foreload
fraternise
frequency response characteristic
frictionwasher
genus Centaurea
heugh
high grade alloy structure steel
high voltage testing equipment
hot rolled steel bar
hymen vaginae
ideal tray
ill-groomed
inman's method
irreducible component
jaculated
klu(d)ge
length-frequency
loss carry forward
mantel
Naphthamon
news-cuttings
non metallic inorganic coating
nucleoclupeine
opening of bids
over-run
oxygen saturation of blood
peak width
platinum-rhodium thermocouple
pon
prazo
Primula polyantha
professional neutrality
radioscopes
rare printing
recovery corridor
refactive index soltion
reincubation
relative speed of wind
resistance to corrosion fatigue
retin-some
revolution track
room with
rosenkampff
runner bush
Rybno
rye whiskey
scheduled course
scissurella coronata
semianaerobic incubation
shred
Sierpinski
skimmed oil pump
starch leaf
steed
string item
Stutthof
sundluns
sybra albomaculata formosana
syllable hyphen character
tampered
tassajara
time-troubles
true coefficient
unviablest
wave number vector
wert
West Hollywood
white leg