厌氧生态系统

In the northwestern United States, the city of Seattle requires its residents to separate food waste from the rest of their trash. The food gets recycled into compost for lawns, gardens and, soon, into electricity. 美国西北地区的西雅图市要求

发表于:2018-12-19 / 阅读(164) / 评论(0) 分类 VOA双语新闻 2010年11月

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

发表于:2019-01-02 / 阅读(173) / 评论(0) 分类 60秒科学

Glucosamine - a glucose or galactose molecule with an amine group attached. see also glucuronic acid. Glucose - a molecule of great importance to life as it provides a ready source of energy for both

发表于:2019-01-03 / 阅读(178) / 评论(0) 分类 医务英语

Ecological balance - astable balance in the numbers of each species in an ecosystem. In the ecosystem of the mouth this balance is brought about by competition and cooperation between the different or

发表于:2019-01-03 / 阅读(170) / 评论(0) 分类 医务英语

Apatites- a family of calcium phosphate salts which are found in hard tissues like bone, teeth and shells. Apoptosis - death of a cell which is programmed by a set of specific genes. Apoptosis of chon

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 医务英语

Ameloblasts- cells which differentiate from ectoderm and secrete enamel during tooth development. Amino acids - building blocks of proteins containing a carboxyl group (COOH) and an amino group(NH2) b

发表于:2019-01-03 / 阅读(208) / 评论(0) 分类 医务英语

Abductors - muscle taking a limb or the jaw away from the body. Acetyl choline - Aneurotransmitter substance found at all cholinergic synapses including those of motoneurones at the neuromuscular junc

发表于:2019-01-03 / 阅读(132) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 Scientific American(四)月

A acceptable daily intake (ADI) 每人每日容许摄入量 acclimatization 气候适应 accumulate 蓄积 acetylandromedol 乙酰柽木醇毒 acceptable risk level 可接受的危险水平 acid-forming food 成酸性食品 Achromobacterium 无色菌属 Act for preventing the adulterati

发表于:2019-01-08 / 阅读(264) / 评论(0) 分类 英文语法词汇

AS IT IS 2015-09-18 Palestinians Turn Organic Waste into Gas for Cooking 巴勒斯坦人将有机废物转化成天然气做饭 Rural communities in developing countries often have trouble securing dependable supplies ofenergy for cooking and lightin

发表于:2019-01-12 / 阅读(134) / 评论(0) 分类 2015年VOA慢速英语(九)月

By Peter Heinlein Addis Ababa 15 May 2008 Growing enough food to alleviate shortages in African countries is not easy, but an agro-ecologist in Ethiopia thinks he has the answer: bio-farming. The technique uses animal waste products to produce energy

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2008年(五月)

In the northwestern United States, the city of Seattle requires its residents to separate food waste from the rest of their trash. The food gets recycled into compost for lawns, gardens and, soon, into electricity. Every day, at Cedar Grove Compostin

发表于:2019-01-14 / 阅读(125) / 评论(0) 分类 VOA标准英语2010年(十一)月

Britain's first bus powered by human waste has taken to the streets. 近日,英国首辆靠人类粪便供能的新型环保巴士正式上路。 The 40-seater 'Bio-Bus' is fuelled by biomethane gas, generated by the treatment of sewage and food wa

发表于:2019-02-03 / 阅读(131) / 评论(0) 分类 英语新闻

a high spatial resolution 高空间分辨率 a xenon-lamp 氙灯 abode n. 住所,住处 absence n. 缺乏 acceptor n. 接受者 access v. 接近 aerobic adj. 依靠氧气的,与需氧菌有关的

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 英文语法词汇

Even we can tolerate it only up to a point. 连我们对氧的耐受力也是有限度的。 The oxygen level in our cells is only about a tenth the level found in the atmosphere. 我们细胞里的氧气浓度,只有大气里的大约十分之一。

发表于:2019-02-17 / 阅读(167) / 评论(0) 分类 万物简史

Anniversaries were few and far between in the Archaean world. 在太古代的世界里,结婚周年纪念日是完全没有的。 For two billion years bacterial organisms were the only forms of life. 在20亿年时间里,细菌是惟一的生命形

发表于:2019-02-17 / 阅读(160) / 评论(0) 分类 万物简史

Science and technology 科学技术 Athletic performance 运动员的表现 Faster, higher, no longer 更快,更高已成往事 Is it time to update the Olympic credo? 是时候更改奥运会信条了? ON AUGUST 5th millions of people will watch

发表于:2019-02-24 / 阅读(676) / 评论(0) 分类 经济学人科技系列

United States: Pet waste A crap-shoot 美国:宠物粪便,从粪便里发出的新芽 The city ponders a plan to make power from puppy poop. 在宠物粪便中提取能源,该市构建着一幅如此蓝图。 Dogs, unlike people, are capable of

发表于:2019-02-24 / 阅读(142) / 评论(0) 分类 经济学人综合

比较难以记住的GRE词汇 holistic 全面的,从整体着眼的 virtually almost virtual in fact mucus 粘液 by virtue of 由于 shrank 缩小,shrink 的过分 pool 集中备用的工人、钱或物资 syntax 句法,句子构造 grid grat

发表于:2019-02-25 / 阅读(203) / 评论(0) 分类 GRE英语

Number ten. The Great Wall of China is the only man-made object visible from space. 第十。中国长城是唯一能在太空中看到的人造物体。 To see something on Earth from space, it would have to be pretty big, 要从太空看到地球上的

发表于:2019-03-02 / 阅读(161) / 评论(0) 分类 欧美人文风情
学英语单词
absorbing chemical
aders
adjusted infant mortality
Aeneas Silvius
airfreights
alirios
All-Ordinaries Index
appriou
asmaintained
ball-goer
batch processing editor
Beladice
birger
blockage effect
boldyrevite (boldyrevita)
Braun's cords
caldera rim
capacitive lag
carriage guide rail
cartilagines nasi lateralis
Catharite
cholagol
choptank r.
concludence
continuous ice-cream freezer
continuous refining process
corrosion engineering
cuillin sd.
cylindrical open ended crucible
dearworthily
degraffenreid
degroups
dick sucker
dridge
electron-coupled
epidiatessaron
epitomators
Escherichia intermedium
European wildcat
evade doing a duty
federal territory
fifty percent rule
firing tower
fluid extract
French franc bloc
garms
gdc
genus pterocnemias
groove shape
Human.
inner package
inoculation smallpox
jimmy doolittles
k/l ratio
kthxbai
Lithotabs
Lurgi gasifier
martin luther kings
Mary Gregory
master level forecast code
megalocephalies
microelectrode system
midfrontal
MMTV-7
mortmain
Mrežnica
muscular arrector ventlaris
non synchronous motor
obstrepency
oh, my!
pass under the knife
pepe stock and dies
pig aluminum
popshop
precision laser automatic tracking system
presidential message
press any key to continue
Prodinoceratinae
providentialist
pyllyon
reliability curve
revertive impulsing circuit
rhino-bronchitis
satra
secretting
shave excision
shell srtucture(of nuclear)
smallswords
steamed duck slices
Sulla, Lucius Cornelius
table opening
talonavicular dorsal ligament
test summary sheet
the Fundamental Counting Principle
tocophersolan
Turco
ulcerated frostbite
unirooted teeth
unvariables
warbag
wet atmospheric corrosion
wolkoff