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(111) / 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(95) / 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(95) / 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(97) / 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(81) / 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(60) / 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(89) / 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(177) / 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(63) / 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(65) / 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(71) / 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(60) / 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(98) / 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(93) / 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(78) / 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(55) / 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(581) / 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(77) / 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(119) / 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(107) / 评论(0) 分类 欧美人文风情
学英语单词
air moistening
antirecycling
associate professional
azine colouring matters
baddeleyite
band type
bank mix
bitumastic enamel
body armours
Bolley's gold purple
Bīye Gurgur
canaliculi lacrimalis
car track
chuchgoing
coco de macao
confidence probability
counter indemnity
customs line
cycloversion
dillweed
direct axis reactance
direct pressure heating apparatus
dish drier
distask
double dot dash line
efficiency of iron removal
electric smoke precipitation
enterovaccine
factory adjustment
false accusation
flush plug consent
four strand continious casting machine
gadean
gangway loader
gong-pit
green ultramarine
guesstimate
insurance conglomerate
inter-libraries
iterative region
Jangheung
linear regression estimate
love handles
lugsail
machine-readable language
macrodefinition library
malarial catarrhal fever
mela-quartz-norite
Merseburg triad
method of equal coefficients
modum
monowheel
moorlands
multispiral scanning
null terminator
Ocusol
over-bright
oxbridges
paper condenser
phenyliminophosgene
physical disintegration
pine spittlebugs
pip-pip
piston check ring
pleatless
pole tide
pollution prevention and control
population characteristics
pro-monarchy
pull up over the side
pulse glass
pumping grinding mill
radda
recoining
sacajaweas
sausage dog
saving throw
self curing mold
slutsker
solution injection
Stackelberg equilibrium
stadium contagii
subordinate clauses
take reading
the business end
the pest
thickness advection
through rates
time of break-through
tortle
Transtrand
trichobothria
triple-dub
tryings on
using up
vasoformative cells
vessel in sight of one another
visual and dimensional examination
Viverridae
wandering in the wilderness
yamabushi kagura (japan)
Zeal without prudence is frenzy.