光化合成区

Larry和李华明天要考试,今天一起复习,但李华一直没法专心。她今天会学到两个常用语:zone out和now you're cooking with gas。 LL: So Reaganomics were the economic policies of U.S. President Ronald Reagan - Li Hua? A

发表于:2018-11-30 / 阅读(170) / 评论(0) 分类 美国之音《流行美语》

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab

发表于:2018-12-24 / 阅读(89) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths original atmosphere would have been unpleasantdeadly in factto any organisms that breathe oxygen. There wasnt any. Not until about 2.4 billi

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 Scientific American(四)月

Xiapu, the oldest town in eastern Fujian, Xiapu City, Fujian has many natural harbors along its coastline. 霞浦,闽东最古老的县份-福建 霞浦市-漫长的海岸线为这里制造出众多的天然港湾。 The sea has become a natural la

发表于:2018-12-28 / 阅读(99) / 评论(0) 分类 舌尖上的中国第一季

(man) Today I want to discuss fossil fuels such as coat, oil, and natural gas. The term fossil fuel refers to the trapped remains of plants and animals in sedimentary rock. You see, living plants trap energy from the sun by the process of photosynth

发表于:2018-12-30 / 阅读(88) / 评论(0) 分类 托福听力短文

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(134) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It may look like just another animal. But one kind of lowly sea slug actually has the solar power abilities of a plant. Bizarre but true, the sea slug

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 Scientific American(十二)月

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(四)月

今天我们要学的词是in the zone。 In the zone, 意思是进入最佳状态。 He was in the zone throughout the playoffs, 整个季后赛他一直保持最佳状态。 Nobody can touch him when he is in the zone, 他一旦进入最佳状态,谁

发表于:2019-01-11 / 阅读(139) / 评论(0) 分类 英语每日一词

今天我们要学的词是in the zone。 In the zone, 意思是进入最佳状态。 He was in the zone throughout the playoffs, 整个季后赛他一直保持最佳状态。 Nobody can touch him when he is in the zone, 他一旦进入最佳状态,谁

发表于:2019-01-11 / 阅读(142) / 评论(0) 分类 英语单词荟萃

By Kurt Achin Panmunjom 14 December 2007 North and South Korean generals have failed to agree on the specifics of a proposal for cooperation between the two rivals. The latest round of high-level military talks has ended with no progress on creating

发表于:2019-01-11 / 阅读(141) / 评论(0) 分类 VOA常速英语2007年(十二月)

ROBERT SIEGEL, HOST: Adam Frank usually has his head in the sky. He's an astrophysicist. It's an occupational hazard. Right now, though, he is dazzled by the universe of green right here on Earth. ADAM FRANK, BYLINE: Now that we're well past the star

发表于:2019-01-17 / 阅读(81) / 评论(0) 分类 2017年NPR美国国家公共电台6月

The first day of the experiment, we got out to our plot 实验的第一天,我们来到了实验地点, and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现,把我们赶跑了。 And I had no bear spray. But

发表于:2019-01-18 / 阅读(102) / 评论(0) 分类 TED演讲科学篇

很多来学雅思的同学见了老师都会说:文章太难了,那么多生词,是不是每个都要查中文释义并且背下来才能考好啊?如果你也有这样的困惑,不妨耐心地往下读,本文会给大家解答这方面的问

发表于:2019-01-18 / 阅读(134) / 评论(0) 分类 雅思英语

Science and technology 科学技术 Going underground 向地底进军 A project to reveal more about all the carbon on Earth 旨在向人们揭示更多地球碳信息的项目 The Deep Carbon Observatory 深碳观测站 A world still full of secrets

发表于:2019-01-26 / 阅读(93) / 评论(0) 分类 经济学人科技系列

BEIJING, Oct. 18 (Xinhuanet) -- Some seaweeds can kill the reef-building corals around them by emitting anti-coral chemicals, a new study found. The study was published Monday in the online edition of the journal Proceedings of the U.S. National Acad

发表于:2019-02-07 / 阅读(103) / 评论(0) 分类 英语新闻

The latest survey of the Great Barrier Reef off the coast of Australia reveals that an average of 35 percent of coral is now dead or dying in the northern and central sections. Experts from James Cook University say its the most extreme case of mass

发表于:2019-02-14 / 阅读(97) / 评论(0) 分类 中英双语新闻

Heather, when plants convert light into energy to help them grow it's called photosynthesis. 希瑟 植物把光转换成能量 来帮助它们生长 这叫做光合作用 But what is a photo of yourself taken by yourself called? 但把自己给自己拍

发表于:2019-02-15 / 阅读(82) / 评论(0) 分类 艾伦脱口秀

Larry和李华明天要考试,今天一起复习,但李华一直没法专心。她今天会学到两个常用语:zone out和now you're cooking with gas。 LL: So Reaganomics were the economic policies of US. President Ronald Reagan - Li Hua? Ar

发表于:2019-02-16 / 阅读(140) / 评论(0) 分类 实用英语

Once it seemed that the ocean floor was a desert of darkness. As everyone knew, sunlight was what made life possible by fueling photosynthesis, and sunlight can penetrate only the first few hundred yards of the oceans great depths. Lower, a few

发表于:2019-02-21 / 阅读(107) / 评论(0) 分类 托福英语
学英语单词
aerialists
allowing for price rises
amorphous magnetic films
Appolito's suture
approach control radar
architektur
arteria choroideas
between class distance
Bovidae
Bulgarian language
carbon resistor block
caryodid
cereal bowl
Chomsky classification
chopping board
cinemascope screen
core support bracket
Curculio chinensis
delay action detonator
design upon
diaphyseal tuberculosis
diethyl (o-)phthalate
diggin' in
digital selective communication
distributed constant
donbega natalensis sond
draft out an address
dyke boring
edgewise wire
EGDN
elasticised
endless rope way
european parliamentary election
family oleandraceaes
fast - forward button
file distribution control
flat-bed truck
flycut
genus Cicuta
giant size
horizontal plan
Huasteco
humanistic discipline
in-process control
inclined course
installment interest
kekules
kernelizations
Kota Samarahan
Kylesmorar
lease automatic custody transfer
liquid crystal television watch
Lymtudor
madchen
mcluhans
melolonthas
Merger Arbitrage
meter0kilogram-second
minor salivary glands
multichannal machining
national annuity
necessity certificate
nepenthaceaes
newcombes
non-taxable transference
nonlithium
pale tussock-moth
plain wool
pneumatic tissue
pot hole
power dresser
prematerial
project lending
qualitative materiel development objective
recrowned
sample density
Sandmeyer's reaction
shepherd's-purse
silk grass
slear
sloop rig sail
slop padding
source address field
stephane mallarmes
stilt dance
strong barrier function
subcrustaceous
support dog
target filter
theory of gene starvation
through-flow heater
tirrs
transverse flexural strength core box
uniform slope
unilateralization
united atom model
utilization of forest resources
Vater's papilla
watermark magnetics
winch hook
windlown tree
wrecker's yard