二乙基丙二酰脲

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(52) / 评论(0) 分类 Scientific American(十)月

By Caroline Sawyer Nairobi 17 August 2007 A United Nations agency report says 600,000 people in southern Somalia, including people in and around the capital Mogadishu, are suffering from severe malnutrition and nearly 300,000 of those require immedia

发表于:2019-01-16 / 阅读(111) / 评论(0) 分类 2007年VOA标准英语(八月)

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(66) / 评论(0) 分类 经济学人科技系列

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(64) / 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(45) / 评论(0) 分类 英语单词荟萃

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(79) / 评论(0) 分类 英语新闻
学英语单词
a few days
a pee
absconsio
adult t-cell leukemia
Allantodia
aluminon
Amieira
anaerobic sediment
antipernicious an(a)emia factor
asbed
atmospheric impurities
atop
automatic frequency tuner
Aynabulak
Ben Mahidi, Marsa
boot last
burnishing broach
cash cover
checkpost
cheiranthoside
classification grade
coffee room
compuper
coupler for frequency meter
curcol
cuttiest
D drive
denitrogenating
desoul
Dipan
direct trigonometric function
Do herty amplifier
duoskop
endotoxemia
epstein-barr virus (ebv)
equation of moire fringe
exuviate
facet formation
feminist narratology
Frederick Barbarossa
gasnier
geminal diamines
georgette crepe
grandstandings
gravity-force
guinea hen
gulialek
harbour board
Hasenfelde
henle's loop (or loop of henle)
horizontal type motor
Hradiště
inferior basal concha
insecticide kerosene
interlobar surface
kalkowskyn (kalkowskite)
kokuline
la mer territoire
macinerney
magmatically
magnetoptical
map interpretation
maxons
medical radioisotope
Mont. & B.
muskus grasses
Mýrasýsla
Nigrita
nonpresetting control
null reference system
Oppenheimer-Volkoff limit
paramagnetic electron trap
part-winding starting
pattern plate molding
phycophyte
pilot gage
pink callas
popejoy
probangs
protocormic region
psychonosema
pulp car
random variables
rastrate
raw feel
reactiver
reinsurance slip
relational data
relative materiality
spatial sequence
spongy organ
spool balance valve
spring plunger tripper
supercold
teleosts
the devil
top-slicings
trash
Umbro-
vacuum zone melting
wormatic
years of schooling completed