绝对厌氧菌;专性厌氧菌

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 keep [ ki:p ] The matter will keep till tomorrow. v. 拖延 这件事搁到明天再说。 lack [ lAk ] She is lacking in responsibility. v. 缺乏,没有

发表于:2018-12-05 / 阅读(196) / 评论(0) 分类 每日攻克5词

Common Infection Raises Female to Male HIV Risk A common bacterial infection among women in sub-Saharan Africa sharply increases the risk of HIV transmission to men. Researchers say current treatments provide only a short-term solution. Its long been

发表于:2018-12-08 / 阅读(177) / 评论(0) 分类 VOA标准英语2012年(六月)

AZUZ: According to the United Nations, food waste is defined as food that's initial safe for people to eat, but it doesn't get eaten because it's left to spoil or it's thrown out. The U.S. government estimates that food waste in America could be as h

发表于:2018-12-19 / 阅读(134) / 评论(0) 分类 CNN美国有线新闻2016年10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(185) / 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(192) / 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(189) / 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(170) / 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(232) / 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(140) / 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(185) / 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(274) / 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(148) / 评论(0) 分类 2015年VOA慢速英语(九)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(140) / 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(187) / 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(188) / 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(171) / 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(690) / 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(153) / 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(219) / 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(181) / 评论(0) 分类 欧美人文风情
学英语单词
AA rating
Ac cug
acrylic brilliant paint
adoption of black market babies
animated market
balance based on a shortage of products
bottom-up processing
brood chamber
brown kerosene
chuckingly
class-times
closed arc
conception date
contorted strata
coral stitches
cuke
Didah
dispering agent
domestic broadcasting
e-quainted
economy audit
electro medical apparatus
ethylene alkylation
eucrite
Fenelon, Francois de Salignac de La Mothe
fire-retardant paint
fixed dam
free piston compressor
full-web section rail
futral
gastro-splenic omentum
gate oxide
ginko
glass cotton
go bananas
guerrillaism
hog barge
hopping reflex
hubbins
industry production
information return
intercountry
intermittences
ionic tweeter
ketal formation
lares et penates
Leidenfrost temperature
lock radius
manarchists
marriage registration office
migrant erysipelas
modern language
moes
molded sugar cane
motherhumper
multivariate binomial distribution
My301
nacreous (pearly)
odd chromosomes
ore feeder
Orlova, Mys
ornamental sculpture
out of box
paid-outs
Peieris transfer
Pentland Firth
Phuopsis
pitch angle redistribution
Planckian color
pot marjoram
primary clearance
randomly coiled macromolecule
relative molecular mass
remote-control pedestal
review document
Rieste
rosows
Samuel Langhorne Clemens
secondary syphilid
semiconductor frequency changer
shell analysis
simple substitution cipher
sircs
Skodaic resonance
sonovox
stability jet
stellar collapse
stone curlews
successful tenderer
Synonyms For
syntagmatite
task allocation
the cart draws the horse
three point free linkage
three-fifths
Trigonella cancellata
ulzheimer
variable frequency synchro generator
wind-dispersal
yellow-fever mosquitoes
zinc blende (sphalerite)