厌氧棒状杆菌

A: What am I supposed to do with this plastic cup? B: That cup is for a urine sample. A: How, exactly, does this work? B: This particular test calls for you to urinate into the cup after you have urinated a little into the toilet. A: When I finish, w

发表于:2018-12-02 / 阅读(153) / 评论(0) 分类 英语情景对话-健康

A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d

发表于:2018-12-02 / 阅读(163) / 评论(0) 分类 英语情景对话-健康

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(129) / 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(100) / 评论(0) 分类 CNN美国有线新闻2016年10月

As a kindergarten teacher might say, sharing is caring. She might not mention that cooperation is also a great way to form a community and thus improve everyone's chances of survival. Humans aren't only ones to apply this strategy. Marine bacteria al

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(九)月

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 科技之光

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(149) / 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(187) / 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(105) / 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(143) / 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(234) / 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(116) / 评论(0) 分类 2015年VOA慢速英语(九)月

Water allows the sand grains to flow to gather and intermingle and form more complex structures. In the same way, water acts like a cocktail mixer, allowing the atoms and molecules to come together, and also may form the building blocks of life. All

发表于:2019-01-22 / 阅读(101) / 评论(0) 分类 自然百科2010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(112) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Marine ecology 海洋生态 Welcome to the plastisphere 欢迎来到塑料星球 What is pollution to some is opportunity to others 对一些人意味着污染对另一些人却意味着是机会 SINCE 2008 geologi

发表于:2019-02-03 / 阅读(105) / 评论(0) 分类 经济学人科技系列

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(146) / 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(131) / 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(661) / 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(124) / 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(180) / 评论(0) 分类 GRE英语
学英语单词
about us
acarpelous,acarpellous
alternating-current network
atonic-astatic diplegia
autolysis
automated date collection
automatic train dispatcher
ballooningly
bambusaspis bambusicola
bill of indictment
blumarine
Branch Davidian
breadknives
BUAG
centerline camber
Channel Associated Signaling
charter business
cobalt-60
Commelina nudiflora
constant-volume combustion
counter-attraction
Cypriote
dancing girl
dehighlighting
destresses
Dilthiazem
dresslers
ether formalin method
Evreinovite
fallen by the wayside
ferers
financially secure
firm cure
fixed alkali
flat structure and tall structure
Florida worm lizard
fully functional network
genus Zygnema
gingivitis scorbutic
greylock, mount
hairless
have a heart - to - heart
Hayes and Harlington
instruction cycletime
interplait
islamic ummahs
jermini
knocking off lever
location label
macrogenre
Malladi
martn
mediagossip
millahs
molybdenum oxybromide
mycelial cushion
narrow-beam absorption coefficient
Neopeckia herpotrichioides
nigger heavens
non-excitation operation
nsfc
Nuevo San Juan
occipital triangle
Old West
oleum anethi
oobs
PL/M
Pleidae
plum pines
polymerization kinetics
postal service revenue
postqueer
power earth auger
programmed sequence control
protein-MSY
r-y signal
reentry velocity
reputation-
resealable
reverberation field
ribbed toads
royalty as to know how
screening procedure
Sibson's furrow
Sipang, Tg
slapping
slip-ring side
solid-performing
straight-side single crank press
succeed as
sulfiram
surface-water irrigation
tail-light
take a pique against someone
tamboura
three-phase seven-wire system
threshold decoder
titty-twisters
two-level addressing
upper jaw
visual of sag
wheel-chair