[生态] 生态系动力学

Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem Flying Canvases They are gentle, colorful creatures that move with grace and flair. And in a warm and humid enclosure at the Smithsonians National Museum of Natural History in Washi

发表于:2018-12-08 / 阅读(377) / 评论(0) 分类 VOA标准英语2013年(三月)

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(257) / 评论(0) 分类 Scientific American(五)月

[0-1:56.48]Oh. 哦 [00:00.96]You should have gone to China. 你们应该去中国 [00:02.84]You know, cause I hear they give away babies 我听说他们送孩子就像大赠送 [00:05.16]like free iPods. 知道吗 [00:06.44]they pretty much just put

发表于:2019-01-01 / 阅读(376) / 评论(0) 分类 听电影学英语-朱诺

Jennifer: Hello and a very warm and friendly welcome to the first 6 Minute English of 2013. My name is Jennifer and with me in the studio for today's programme is Callum. Happy New Year! Callum: Hi Jen - happy New Year! Jennifer: Have you made any Ne

发表于:2019-01-07 / 阅读(386) / 评论(0) 分类 六分钟英语

This is Scientific American's 60-Second Science. I'm Christie Nicholson. This will just take a minute. So check this out: Hi my name is Adi Rajagopalan, I'm going on 18 in a few days, and my project was Modelling Synergistic Cellulolytic-Hemicellulol

发表于:2019-01-08 / 阅读(305) / 评论(0) 分类 Scientific American(三)月

Asian Carp now outnumber native fish in many areas of the United States and their expansion particularly threatens the fragile ecosystems of the Great Lakes. In an effort to control algae growth, catfish farmers in the southern United States introduc

发表于:2019-01-13 / 阅读(290) / 评论(0) 分类 VOA标准英语2010年(七)月

Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata

发表于:2019-01-13 / 阅读(281) / 评论(0) 分类 VOA标准英语2010年(七)月

I'm not quite sure whether I really want to see a snare drum at nine o'clock or so in the morning. 我一点也不确定是否我自己愿意看到小军鼓,在晚上九点以后或是早晨。 But anyway, it's just great to see such a full theater

发表于:2019-01-18 / 阅读(278) / 评论(0) 分类 TED演讲国际问题篇

在新的一年里,人们总是会为自己定下目标,许下愿望,希望在一年里能够实现,你的愿望是什么呢?有决定做到吗? Jennifer: Hello and a very warm and friendly welcome to the first 6 Minute English of 2013. M

发表于:2019-01-23 / 阅读(348) / 评论(0) 分类 一起听英语

Finance and Economics;Europe in limbo;Home and dry 财经;迷途的欧洲;安然无恙?岌岌可危! Europe's weaker economies are in the grip of a worsening credit crunch; 欧洲经济本已弱风扶柳,怎奈又陷入愈演愈烈的信贷

发表于:2019-01-27 / 阅读(276) / 评论(0) 分类 经济学人财经系列

The Virtual College In the fall of 1994, I arrived at my freshman dorm in my old station wagon filled with new clothes, too many shoes, and my proudest possession: a computer the size of a small refrigerator. Fortunately, I only had to lug1 my 50-pou

发表于:2019-02-04 / 阅读(323) / 评论(0) 分类 实用英语

Many online social networking tools have fulfilled uses their creators had never dreamed of. Twitter started as a way to tell others what you were doing, and then surprisingly, turned into a tool to find gas during the Atlanta gas crunch last year. N

发表于:2019-02-05 / 阅读(239) / 评论(0) 分类 实用英语

The so-called one-child policy was brought into law in the late 1970's as a way to limit population growth, given that the economy at the time was just starting to open up to the outside world, and the domestic resources, particularly in urban areas,

发表于:2019-02-06 / 阅读(244) / 评论(0) 分类 英语新闻

You're standing face-to-face with a professional in your industry who can help you advance your career. This is your chance to wow this person with a strong handshake, bright smile and direct eye contact, followed by a witty comment that initiates a

发表于:2019-02-07 / 阅读(346) / 评论(0) 分类 英语口语

你知道丈夫的含义吗?丈夫、丈夫,一丈之内乃夫也!你知道英文husband是怎么来的吗?husband=house+band 房屋栓牢!(band的含义就是Something that constrains or binds morally or legally约束:在道义上或法律

发表于:2019-02-08 / 阅读(305) / 评论(0) 分类 实用英语

Science and technology 科学技术 Computer security 计算机安全 Blame game 推脱责任 How to mimic human laxness with computers 如何用计算机模拟人类错误 TO ERR is human, but to foul things up completely takes a computer, or so the

发表于:2019-02-16 / 阅读(267) / 评论(0) 分类 经济学人科技系列

A publisher might buy a printing company in order to have more control over its assets, and ensure its presses are used to print its own books first. 出版商可能会为了对其资产有更多的控制权并确保印刷设备首先被用于印刷自

发表于:2019-02-17 / 阅读(362) / 评论(0) 分类 经济学人财经系列

Biologists, according to the New York Times, 据《纽约时报》说:生物学家们估计, estimate that 90 percent of lobsters are caught within a year after they reach the legal minimum size at about age six. 大龙虾大约在6岁达到法定的

发表于:2019-02-17 / 阅读(192) / 评论(0) 分类 万物简史

MARIUPOL, UKRAINE Smoke billows from Azovstal steel works here, one of the many gargantuan industrial assets in this southeastern port city owned by Ukraines richest man, Rinat Akhmetov. Akhmetov employs more than 300,000 people across the region. Th

发表于:2019-02-18 / 阅读(267) / 评论(0) 分类 英语新闻

31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact. 31. 骨头看起来是脆硬的,但它也有一定的弹性,使得骨骼

发表于:2019-03-13 / 阅读(550) / 评论(0) 分类 实用英语
学英语单词
a/d convertor
agricultural int.egration
air warning
aqueous cutting fluid
Asplenium nidus
aviation academy
benchmark statistice
bi-grid valve
clav-
compartment under regeneration
complacement
cross someone's hand
cyclode
desheathing
discocellular nervure
donor atom
double face planer
eats his words
eliasite (gummite)
exert influence on
fission product adsorption
float oil laying sampler
Fontaine-le-Dun
gas deposit
gravity-darkening
ground survey control
hair cell
Hensonville
heterocarpus laevigatus
holarctic origin
hundred-thousand
hydrogenoid
hysteropnix
inframicro-biology
karlen
Kaspichan
kinahan
lead grip
lead-alloy-sheathed cable
light storage
liquid-vapor coexistence curve
Littledalea tibetica
mains decoupling factor
manual reduction of paraphimosis
marine environmental carrying capacity
mechanizing sugar cane harvesting
medievalisms
microbiologic properties
monthly consumption
mortice lock
MR-E
mudpuppy
Myariaceae
non ideal system
nurse clinicians
oxidizable
pangeline
Paris anatomical nomenclature
party-times
pharmacoepidemiologist
pigmented epithelium
plate-shear test
pleiophyllous
POART
posilac
procurator negotiorum
pupillary line
Puycasquier
quarter elliptic spring
rationes
San Pierre
saturation spectroscopy
schauman
sinewy
single level
skins over
sliding nut
sludge lagoon
Software-dependent
Sonchamp
statement of cash receipts disbursements and balance
stelazine
sub-goal
subharmonic mode-locking
system target decoder
tapangs
target backscatter
tejera
telerecords
tetrahedral defect
thermoindicator paint
tiberal
topologically complete
trihybrid cross
true mass flow
united nations development decade
unreformability
valve resistance arrester
vanadomolybdate
way-finding
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