嫌气好气细菌培养器

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(159) / 评论(0) 分类 60秒科学

The Health Benefits of Gardening From VOA Learning English, this is the Health Lifestyle Report. As spring comes to half the world, many people can enjoy the new growth that comes with warmer weather. This is a great time to get outside and get dirty

发表于:2019-01-03 / 阅读(140) / 评论(0) 分类 2018年VOA慢速英语(四)月

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(157) / 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(155) / 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(149) / 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(110) / 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(150) / 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(240) / 评论(0) 分类 英文语法词汇

There's been lots of research over the years concluding that physically active people are less likely to have serious conditions, such as heart disease. Now, a new study indicates that those who engage in frequent aerobic exercise are also less likel

发表于:2019-01-14 / 阅读(112) / 评论(0) 分类 VOA标准英语2010年(十一)月

Every child must observe how much more happy and beloved some children are than others. 你一定注意到,一些孩子比其他孩子更幸福更惹人喜爱。 There are some children you always love to be with. 有一些孩子,你总是喜欢和

发表于:2019-01-17 / 阅读(110) / 评论(0) 分类 美国语文第四册

Andy Moray is notused to hitting tennis ball with pipe-sized players. But on this day,all of his opponents are just that-half his size, and less than half his age. 揑 remember when Iwas that age, and I would have loved to got to play with Andre Agas

发表于:2019-01-29 / 阅读(161) / 评论(0) 分类 访谈录2013年

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(116) / 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(152) / 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(152) / 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(135) / 评论(0) 分类 万物简史

Be Grateful懂得感恩 Know the value of the little things... 知道小事的价值There's power in the small, ordinary moments, like catching the subway before the doors close or your pet greeting your happily when you get home. Look for a few thin

发表于:2019-02-23 / 阅读(92) / 评论(0) 分类 英语听力广播—Listening

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(664) / 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(129) / 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(185) / 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(156) / 评论(0) 分类 欧美人文风情
学英语单词
4-bromo-1-hydroxy-2-acetonaphthone
adversuss
algorithmic trading
Ampelopsis tomentosa
amplexifolia
biofoams
bituminates
break-joint
bring to book
Bynoe Harb.
caraway
cascade synchrotron
case simulator
cationic emulsifier
CLND
coelorinchus kamoharai
coil power dissipation
committee on accounting procedure of aicpa
control format item
convulsible
coordinate pair
cut someone's throat
cutter grinder
double-ended boring machine
Drovyanaya
dry granular
duplex chain
dyer's oak
exostosis of external auditory canal
exploitation value
fair tide
fall like flies
fanatisme
fiber optic electrostatic plotting system
flash figure
flattened rivet
gnarly grain
go-or-no-go ga ge
goofery
group move
guanidinoacetate transmethylase
hearts-in
heated container
helibuses
hurmal plate
jet deflector
jolliffeite
khanabad
let fly at
logoes
love-bombing
Marathon orogeny
Menzelinskiy Rayon
metapodium(or acropodium)
morressy
Nastapoka Is.
nonchordal
nonguilt
nonmanipulable
Northern Spy
optical observation
panneuritis epidemica
paper-types
payroll journal
perpich
polarity paper
preliminary crashing
protometamere neocrane
quadrifilar torsion suspension
saber saw
Saratov
saunier
sealcap
search and rescue planning
semi-diurnal
sheaf of plane
shunting speed
side force coefficient
simulation process time
single needle telegraph set
skipped bail
slightly enriched
Slow stern!
software engines
Sok-do
sovereign credit
sporogonia
system start-up
teratocarcinoma of testis
the gold standard
the Keeper of the Exchange and Mint
thermistor alloy
timber freeboard mark
time distance basis
toilet-room
tripleheader
ultrafamiliar
unrelaxingly
war industry
weatherproofer
well-traced
woggles