3-甲基-2-环戊烯-2-醇-1-酮

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A Dove sitting on a tree overhanging the w

发表于:2018-12-05 / 阅读(204) / 评论(0) 分类 创世记

The Ant and the Grasshopper In a field one summer's day a Grasshopper was hopping about, chirping and singing to its heart's content. An Ant passed by, bearing along with great toil an ear of corn he

发表于:2018-12-05 / 阅读(227) / 评论(0) 分类 创世记

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(147) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(188) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(197) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(168) / 评论(0) 分类 初学者听力文摘精选

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(207) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(194) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(224) / 评论(0) 分类 农业与发展

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(198) / 评论(0) 分类 VOA2003(下)-环境与健康

By Jim Teeple Jerusalem 23 August 2006 A previously unknown Palestinian militant group claimed Wednesday to be holding two journalists working for the FOX television network, which is headquartered in the United States. The two men who were abducted

发表于:2019-01-13 / 阅读(250) / 评论(0) 分类 2006年VOA标准英语(八月)

By Al Pessin Kandahar, Afghanistan 15 June 2006 The commander of NATO forces worldwide says his troops from several countries are on track to take responsibility for security in southern Afghanistan in July, and that NATO could expand to the one rem

发表于:2019-01-13 / 阅读(180) / 评论(0) 分类 2006年VOA标准英语(六月)

An ant once leaned too far over the edge of a fountain and fell in-to the water.A dove was watching from a tree nearby.She saw that the ant could not swim so she plucked off a leaf and threw it down to him.He managed to scramble onto it and in

发表于:2019-01-26 / 阅读(237) / 评论(0) 分类 趣味英语

One cold,frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather.A grasshopper,half dead with cold and hunger,came up to one of the ants.Please give me a

发表于:2019-01-26 / 阅读(268) / 评论(0) 分类 趣味英语

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(209) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(220) / 评论(0) 分类 VOA常速英语2013年(十月)

By Al Pessin Pentagon 06 October 2006 A senior U.S. general in Iraq says the suspension of an entire Iraqi police brigade on Wednesday demonstrates that the interior minister is serious about building an effective force. The general also says thousa

发表于:2019-02-03 / 阅读(194) / 评论(0) 分类 2006年VOA标准英语(十月)

An ant and a fly were contending heatedly who was of greater importance.The fly was the first to begin:Can you possibly compare with my endowments?When a sacrifice is made,I am the first to taste the entrails that belong to the Gods.I pass

发表于:2019-02-06 / 阅读(258) / 评论(0) 分类 趣味英语

图片1 图片2

发表于:2019-03-02 / 阅读(210) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-03-02 / 阅读(237) / 评论(0) 分类 加州英语分级G1
学英语单词
acknowledge receipt of
alkali corrosion
armature voltage
bicontinuous function
Blastomyces coccidioides
bosniak
branton
bridelia ovata decne
Bulbophyllum taiwanense
campimeter
cardanmounted
caytonanthus
China National Petroleum Corporation
coarsening-upward sequence
cold stress center
congestive therapy
control of eutrophication in the area
counter revoultion
crab factory ship
crock-pots
Czar Peter I
deshelving
doe-eyed
dropped the ball
drysalt
Euro term loan
excessive sweating
facies tibialis
FET mixer circuit
flange force
FTA (fault tree analysis)
fuel pump adjustment
Gaspereau Forks
geniculant
genus Todea
glochidium (pl. glochidia)
grape mealybug
Hanzi keyboard input method
haslett
have irons on the fire
heat passage
hkc
hyperbolic function
incoherent optical converter
initial detention
ivankevich
jordan-adams
kretzler
laboursome
Lambertist
leakage rate test
leptocythere gracilis
listens in
lower level processor management
magnet bearing
make a poor mouth
maximum planing length
microarchitecture
microprocessor support
migration-security
mopokes
Moss Side
nonreturn-to-zero logic
notspot
numbering plan area code
Oldrões
olton
organification
oyster reef coast
P. & C. R.
papilloma of eyelid
perself
phasor diagram of synchronous machine
photo echoes
pile-driving barge
Pirin Planina
plateman
postpapilledema
principle of equal value exchange
product management system
ptls
refection
repeated signal
retrognathous
ronidazole
semi production
Shagunu
SHEX
shoe beam
sluggardliness
standard null pointer
state space contruction
tea-green marl
Tetrosol
triskaidekaphobias
turbinoid
ultra low density polyethylene (uldpe)
unconditional branching
vertiginids
weather and climate
widue
wirecloths