[医] 脲酶, 尿素酶

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(190) / 评论(0) 分类 Scientific American(十)月

Pubs in Britain There are 70,000 pubs in England and Wales and several thousand more in Scotland. Every country has its drinking shop, but none has an institution quite like the British pub. The essen

发表于:2018-12-30 / 阅读(272) / 评论(0) 分类 英语沙龙2004全年合辑上

Most college students would love to get an assignment like the one Madeline Ota recently received at Stanford University. She and her classmates were asked to make beer in their dorm rooms. But before you get too excited, you need to know that it was

发表于:2019-01-02 / 阅读(198) / 评论(0) 分类 2017年VOA慢速英语(二)月

Roman Toilets Offered No Clear Health Benefits 2000年前罗马人的卫生习惯 Around 2000 years ago, the Romans moved into Europe. They built public latrines, or toilets, with many seats and washing areas. And they built sewerage systems, brought

发表于:2019-01-12 / 阅读(177) / 评论(0) 分类 2016年VOA慢速英语(一)月

But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么,什么东西这么臭? The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan

发表于:2019-01-17 / 阅读(162) / 评论(0) 分类 TED演讲教育篇

Flatulence, or passing gas, is a normal daily phenomenon. 胀气,或者放屁,是正常的日常现象。 Most individuals, yes, that includes you, 大多数人,是的,这包括你, will make anywhere from 500-1500 milliliters of gas and ca

发表于:2019-01-17 / 阅读(166) / 评论(0) 分类 TED演讲教育篇

Mary Carson was going to be seventy-two years old, and she was planning the biggest party to be held on Drogheda in fifty years. Her birthday fell at the start of November, when it was hot but still bearable-at least for Gilly natives. Mark that, Mrs

发表于:2019-01-29 / 阅读(127) / 评论(0) 分类 荆棘鸟

You know why they call him The Count? 你知道为什么他被称作伯爵吗 When he was developing this drug,he experimented on the homeless. 他研发毒品时,拿流浪汉做实验 Prostitutes,runaways. 妓女,流亡者 The police would find

发表于:2019-01-29 / 阅读(134) / 评论(0) 分类 绿箭侠第一季

Many women with polycystic ovary syndrome (PCOS) are confused about whether or not soy is good for them. Some women even fear it. 患有多囊卵巢综合征(PCOS)的许多女性都困惑大豆对她们是否有好处。有些女性甚至对大豆有些

发表于:2019-02-01 / 阅读(165) / 评论(0) 分类 实用英语

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(214) / 评论(0) 分类 经济学人科技系列

For better weight control, fiber up! 想控制体重,多补充纤维吧! The latest trick to fighting obesity isn't a focus on eating less fat or sugar (although that would probably help): It's eating more fiber. And not just any kind of fiber. I

发表于:2019-02-04 / 阅读(124) / 评论(0) 分类 阅读空间

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(166) / 评论(0) 分类 趣味英语

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问,精简军方的官

发表于:2019-02-08 / 阅读(142) / 评论(0) 分类 英语单词荟萃

The Elegance of Tea-Drinking A: In classical novels, if someone drinks tea out of a big cup to quench his thirst, the word used to illustrate this action is drink, like a cow drinking water. Scholars would use fine cups to drink tea and the word to

发表于:2019-02-08 / 阅读(132) / 评论(0) 分类 英语畅谈中国文化

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(176) / 评论(0) 分类 英语新闻

[美文欣赏] Between the preparation and the work,the apprenticeship and the actual dealing with a task or an art,there comes, in the experience of many young men,a period of uncertainty and wandering which is often misunderstood and counted as tim

发表于:2019-02-09 / 阅读(137) / 评论(0) 分类 英语美文

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(150) / 评论(0) 分类 VOA标准英语2008年(十月)

美国《时代》周刊评选出了2013年的25项最佳发明,有些很实用:能隐身的摩天大楼、能让瘫痪者重新站立的外骨骼套装;有些很有趣:不能提神的咖啡酒、结合了两种美味的羊角甜甜圈面包。

发表于:2019-02-18 / 阅读(143) / 评论(0) 分类 实用英语

CAIRO, Nov. 25 (Xinhua) -- Egypt's domestic divisions over a series of controversial presidential decrees continued to ferment as the nation's Judges' Club on Saturday called for a strike of all courts and prosecutors across the country. Morsi decide

发表于:2019-02-18 / 阅读(209) / 评论(0) 分类 英语新闻

I love my food. And I love information. My children usually tell me that one of those passions is a little more apparent than the other. (Laughter) But what I want to do in the next eight minutes or so is to take you through how those passions develo

发表于:2019-02-23 / 阅读(114) / 评论(0) 分类 英语语言学习
学英语单词
additional mark on
aeration station
afeards
alkalinised
apparent wander
argentine republics
asmi
biocoenosis
bulghar
burst trap
byronism
capital gain levy
charge driven piston mechanism
clematis viornas
column shift unit
conenose bugs
continuous x-ray spectrum
Delta alloy
diploic
eftpos
exogenous injury disease
exostosis of external auditory meatus
face work
facing plate of sea chest
farm out something
fire trench
free-space radar equation
Gendarussa ventricosa
genus Irena
Gouna
granite masonry
habibs
Ilex ciliospinosa
intelligent computing architecture
intermediary liquid
isopachyte
isothermal chart
Ivigtite
jacquard tie
kahvecis
kaleidophone
Kexiu
Khrushchyov
klinowska
kovacik
Lahn River
letter of conservator
lithologic correlation
london festival ballet
loud-speaker
Macke, August
make one's abode
man-jack
mastonia ikukoae
maximum diameter of slotting saw
meat-
methylnonyketone
minimum ground clearance
mobile hammer mill
monopoly output
multitone transmission system
museography
myolin
non-polar compounds
nonattached
nontechnocratic
offenheiser
optings-out
other-expectations
outgoing-feeder transformer
overhand pitches
palladiurn bichloride
practises on
pretrial order
proby
properly including
range difference measurement of satellite fixing
rated reactive power
recarburization
rhababerone
Ric. & S.
Rileyville
road-showed
rotoconditioner
shake the dust from one's shoes
shit-houses
short-range design
sleeches
speed-dialed
stadias
stahl-rubinstein equilibrium
suction seal
suppurative encephalitis
symbolic library
synchronous inverter
system of short contract
takes my breath away
tetrastigma henryi gagnep.
the last of
toe line
Tyler series
vessel disposed of by crapping