甲基胆蒽

1. I'm John. I'm Jackie. (Use first name in informal situations) 2. I'm John Kennedy. I'm Jackie O'Neill. (Use full name in business and formal situations) 3. (It's) nice to meet you. (It's) nice meeting you. (It's) good to meet you. 4. Nice to meet

发表于:2018-12-02 / 阅读(360) / 评论(0) 分类 英语词组对话

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(342) / 评论(0) 分类 2016年VOA慢速英语(十)月

Paul, this is John. John, this is Paul. 1. Have you met Paul? No, I haven't. Paul, this is John. John, this is Paul. 2. Have you two met each other? Have you two met each other? No, we haven't. Anne, this is Marie. Marie, Anne. Have you two met each

发表于:2018-12-17 / 阅读(338) / 评论(0) 分类 英语词组对话

NOEL KING, HOST: Congregants of a church in Oakland, Calif., say they feel like too many people are too quick to call the police when they feel threatened by people of color. So now they're taking what they consider to be a moral stand - to not call

发表于:2018-12-18 / 阅读(286) / 评论(0) 分类 2018年NPR美国国家公共电台6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(393) / 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(383) / 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(354) / 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(373) / 评论(0) 分类 60秒科学

The American television series Seinfeld was famous for its unusual and often strange conversations. These conversations often took place in a diner - a kind of small, informal restaurant. In one program, the character George is sad about where he is

发表于:2019-01-02 / 阅读(377) / 评论(0) 分类 2017年VOA慢速英语(十二)月

Mary Morningstar Cross Canadian Ragweed formed in 1994, and spent the next eight years building a regional fan base in the southwestern U.S. The Oklahoma-based band released four albums on its own lab

发表于:2019-01-03 / 阅读(351) / 评论(0) 分类 VOA2004(上)--艺术专集

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(406) / 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(417) / 评论(0) 分类 农业与发展

A: Would you like to order now? B: This all looks good! I think we know what we want. A: Please let me point out the chef's special, which is blackened catfish. B: I am dieting, so could the chef prepare the food with no extra sauce? A: We are always

发表于:2019-01-11 / 阅读(256) / 评论(0) 分类 英语情景对话-餐厅

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(408) / 评论(0) 分类 VOA2003(下)-环境与健康

Russian nationalists in Crimea have burned Ukrainian history textbooks to protest what they say are distortions of the past by the administration of former President Viktor Yushchenko. The recent transfer of power in Kyiv has raised hope among Russia

发表于:2019-01-13 / 阅读(299) / 评论(0) 分类 VOA标准英语2010年(三月)

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(427) / 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(459) / 评论(0) 分类 VOA常速英语2013年(十月)

今天我们要学的词是intrusive。Intrusive, 有侵犯的意思。美国机场加强安检,包括全身扫描和拍摸式搜身,引起很多乘客不满。不过,美国运输安全管理局负责人说, New rules requiring 'intrusive' pa

发表于:2019-02-02 / 阅读(272) / 评论(0) 分类 英语每日一词

'Cause god makes no mistakes I'm on the right track baby I was born this way Don't hide yourself in regret Just love yourself and you're set I'm on the right track baby I was born this way Post-chorus: Ooo there ain't no other way Baby I was born thi

发表于:2019-02-07 / 阅读(340) / 评论(0) 分类 流行英文歌曲

A wet Sunday in a country inn! Whoever has had the luck to experience one can alone judge of my situation. The rain pattered against the casements; the bells tolled for church with a melancholy sound. I went to the windows in quest of something to am

发表于:2019-02-18 / 阅读(365) / 评论(0) 分类 阅读空间
学英语单词
abietite
acang
acknow ledgement (ack)
aelurophilic
aerial port
agaricin
aminoisobutyric
anges
arcobaleno
available ground water
Borneo
capacity costs
cardiothoracic ratio
cleaning of welded surfaces
cloquinozine
complex transaction
condition shipping order
decompositionality
Demominator depth
dental filling
dibunate
difference in height
double helical spring
eldoes
electroreflectance
elucidata
endermically
exhaust gas converter
feel a dislike for
first to file system
forward-backward scheme
g.r
genus catananches
genus Moschus
Hab Chauki
hard conditions
haustorial root
hexene-ol
Hime-kawa
holidaywords
homs (hims)
howdahs
hugueninia tanacetifolias
hydrocarbon of methane series
immanence, immanency
independent replicate series
invert elevation
Iran-contra scandal
Japanese persimmons
jigga
Kadazan
Kellner cell (for hypochlorite)
Kilimani
Laboulbeniineae
litharge-glycerine mortar
loam moulding
lobbies
market norms
marshalling-yards
material characteristic
migrenin
neural cybernetics
new-modelize
nitryl complex
nuclear temperature
older-age
organ transplant
oxidative decarboxylase
paraflow
parity check
phycoerythrins
prefire
radiation pressures
resource protection key
rightless
seabases
sepsin
shell holding capacity
shelterer
siderochrestic anaemias
spearmakers
stemonitis mussooriensis emotoi
Sternberg's giant cells
Stowed and Trimmed Charges
strip aerial triangulation
stylus maze
subordinates
sulcus limitans foss? rhomboidis
switch protector
symploce acuminata
syntactic position
this way and that
tremor frequens
tridihexethyl iodide
Tunney
uncourteously
unmanufacturable
vapor pressure constant
vertical stripe
VMIT
Wirralian
written undertaking