吡咯烷甲基四环素

Dialogue A Patty and Dino are arguing about a business deal they had. Patty:Listen! We agreed that you would give me half of the profits. Dino:I want to change that now. Patty:You can't. We shook on it and you have to keep your word. Dino:I c

发表于:2018-11-30 / 阅读(251) / 评论(0) 分类 常春藤生活英语

Bizarre Dino 远古巨兽 by Kevin Lustig Around the world, scientists are constantly in search of dinosaurs. Real ones disappeared about 65 million years ago, but dinosaurs left behind a lot for humans to study, like eggs, bones, and entire bodies.

发表于:2018-12-08 / 阅读(126) / 评论(0) 分类 常春藤解析英语

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(110) / 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(162) / 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(162) / 评论(0) 分类 Scientific American(三)月

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(172) / 评论(0) 分类 国家地理2008年

Evidence mounts that ancient Nubian brewers purposely made beer so that it contained a dose of antibiotic tetracycline. Christopher Intagliata reports 有证据表明努比亚的啤酒制造者故意在啤酒中加入抗菌四环素。 In 1980, a sci

发表于:2019-01-02 / 阅读(190) / 评论(0) 分类 60秒科学

四环素类 美他环素 Methacycline 飞梭霉素, 甲烯土霉素, 甲烯环素 米诺环素 Minocycline 康尼, 二甲胺四环素, 美满霉素, 二甲胺四环素,Vectrin, Minomax, Minocin, Ul

发表于:2019-01-03 / 阅读(154) / 评论(0) 分类 医务英语

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(169) / 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(197) / 评论(0) 分类 农业与发展

By Michael Kohn Kabul 19 October 2006 Houses in Murad Khane that will be restored by the Turquoise Mountain Foundation The neighborhood of Murad Khane in Kabul's Old City was once a wealthy area of merchants and members of the royal family. But afte

发表于:2019-01-06 / 阅读(229) / 评论(0) 分类 2006年VOA标准英语(十月)

In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing greena hallmark of the antibiotic tetracycline. The drug latches onto calcium and gets deposited in bone. Nothing unusual. Except these bone

发表于:2019-01-08 / 阅读(131) / 评论(0) 分类 Scientific American(九)月

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(164) / 评论(0) 分类 VOA2003(下)-环境与健康

By Cathy Majtenyi Nairobi 22 December 2006 In Somalia, Islamist fighters and government troops continue to battle each other near the government stronghold of Baidoa, with each side claiming to have killed hundreds of troops of the other side's. Cat

发表于:2019-01-12 / 阅读(184) / 评论(0) 分类 2006年VOA标准英语(十二月)

VOA Uses Google Glass at Concert VOA在演唱会上使用谷歌眼镜 WASHINGTON Washington celebrated a milestone in music history this week: It has been 50 years since the Beatles first arrived in America and won the hearts of millions. They went o

发表于:2019-01-14 / 阅读(232) / 评论(0) 分类 VOA标准英语2014年(二月)

Chapter 19 - The senselessness of the battle of Borodin On the twenty-fourth of August the battle of the Shevardino Redoubt was fought, on the twenty-fifth not a shot was fired by either side, and on the twenty-sixth the battle of Borodino itself too

发表于:2019-01-18 / 阅读(130) / 评论(0) 分类 有声英语文学名著

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(186) / 评论(0) 分类 自然百科2008年

NEW YORK, NY, August 02, 2005 From Evita to Buddy Holly to Jackie Onassis, the lives of famous people have inspired works for the stage. Now, almost 25 years after his murder, John Lennons story is coming to Broadway. The new musical, Lennon, is sche

发表于:2019-01-26 / 阅读(150) / 评论(0) 分类 英语听力文摘 English Digest

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(187) / 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(182) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
'omes
alcotts
angioreticuloma
arteripax
auxiliary function symbol
binding during disengage
blast us
boiler fullpower capacity
c.p.d.
carol stream
chlorphenamidine
circular trench
colo(u)r hue
common population proportion
corn of feet
cularicine
currency adjustment factor
demonologists
derived group
deuteron beam
enallachrome
feeding quality
filament acetate yarn
full-duplex preformance
Galagidae
glycyrrhizinate
Ha Lam
heads-up displays
highway-railway grade crossing
hirshler
holonomic
hydrone
impedition
inrush starting current
intra-regional passenger traffic
keep one's eye on
kiln sweat
Kivi-Vigala
leukopenic factor
levee protection
levels off
longyan
looseliner
Maddenia wilsonii
magnetic character recognition
malinvested
mastonia granosa
mathematicism
mattachine
maximum stroke of cutter
mechanics of composite materials
memory management technique
mezzettiopsis creaghii ridl.
microeconomists
middleness
MS-MS scanning
multiplicative linear functional
neovascular maculopathy
nudeness
official broadcasting station
parent rock
pigmented stone
pillorizes
polypodialess
Pontederia cordata
preliminary command
principle of maximum material
protective agent
pseudoformal
pulse duty factor
Rancho Santa Fe
relative time delay
resinolic acid resin
retinulate
rifled sheet iron
Samson-post
scintiscation counter
seed testing science
single shear riveting
single source
sliming method
slip load
soft-lining
solangustine
speed control gear
speedup resistor
steel refrigerator
supervision and assessment
tetrazolium compound
theraptique
togois
treacliness
un-being
underslung charger
unequipped with tanks
unexemplary
Vebbestrup
view finder brightness level
wearing resistance
wide-tooth
Willisville
word terminal