3-甲基-2-环戊烯酮

Three Billy goats Gruff There were three billy goats with the name Gruff. The three billy goats Gruff were going up a mountain to eat and get fat. On the path up the mountain was a bridge over a river. Under the bridge, there lived a nasty, old droo

发表于:2018-12-07 / 阅读(157) / 评论(0) 分类 元元的播客

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(158) / 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(196) / 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(208) / 评论(0) 分类 Scientific American(三)月

You'llneverguesswhatmakesaclip-clop , clip-clop , bang,bang,clip-clop,clip-clop,clip-clopnoise. AnAmishdrive-byshooting. Notes: 1.You'llneverguesswhatmakesaclip-clop , clip-clop , bang,bang,clip-clop,clip-clop,clip-clopnoise. 你一定猜不到

发表于:2018-12-26 / 阅读(135) / 评论(0) 分类 英语笑话(MP3+文本)

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(182) / 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(217) / 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(204) / 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(230) / 评论(0) 分类 农业与发展

A: Hello, Nicole here. B: Nicole, this is Richard. I think you know why I'm calling. A: Oh, it's about the rent. B: Yes, this is the second month in a row. A: I thought there was a grace period. B: There is no grace period in the rental agreement. A:

发表于:2019-01-06 / 阅读(178) / 评论(0) 分类 地道英语对话-租房

A: Hi, this is Nicole. B: Hi, Nicole. Richard here. I think you've got a good idea why I'm calling. A: Yes. It's about the rent, isn't it? B: Yes, your rent is late. This is the second month in a row. A: But I thought that I had a grace period. B: I

发表于:2019-01-06 / 阅读(195) / 评论(0) 分类 地道英语对话-租房

A: Hello, Nicole here. Who's calling, please? B: Hey, Nicole. It's Richard. I'm pretty sure you know why I'm calling. A: Yes, a dollar gets a dime that you're calling about the rent. B: Nicole, for the second month in a row, your rent is late. A: I t

发表于:2019-01-06 / 阅读(230) / 评论(0) 分类 地道英语对话-租房

A: Hello. This is Nicole. B: This is Richard. Let's not play games. You know why I'm calling. A: Oh, not again! You're calling about the rent. B: Yes, your rent check is late, just like last month. A: What happened to my grace period? B: Why would th

发表于:2019-01-06 / 阅读(194) / 评论(0) 分类 地道英语对话-租房

The itsy bitsy spider climed up the water spout. Down came the rain, and washed the spider out. Up came the sun, and dried up all the rain, And the itsy bitsy spider went up the spout again.

发表于:2019-01-09 / 阅读(405) / 评论(0) 分类 鹅妈妈童谣

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(207) / 评论(0) 分类 VOA2003(下)-环境与健康

Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe

发表于:2019-01-13 / 阅读(230) / 评论(0) 分类 VOA标准英语2010年(六)月

A: Hi, this is Nicole. B: Nicole, it's Richard. You know why I'm calling. A: Yes, I know. It's the rent, isn't it? B: Yes, just like last month, your rent is overdue. A: What about my grace period? B: Are you getting Alzheimer's? There is no grace pe

发表于:2019-01-20 / 阅读(193) / 评论(0) 分类 地道英语对话-租房

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(221) / 评论(0) 分类 经济学人科技系列

研究:人的鼻子能嗅出性别 WASHINGTON, May 1 (Xinhua) -- The human nose can sniff out gender from body secretions even though people don't think they smell anything, Chinese researchers reported Thursday. Wen Zhou of the Chinese Academy of

发表于:2019-01-31 / 阅读(451) / 评论(0) 分类 英语新闻

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(232) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
acceptance test tolerance
accessory shaft hub
acee
anti-humanity
asbestos twine
assets
barghest
barsooms
bayonet neill concelman connector
benefit incidence
broadside directive
brush apparatus
California lady's slipper
catch-meadows
center of displacement
chessart
Chinese onion green
clear tape
colic vein
combined cycle power generation
come back again like a shilling
come bottom
coolant-purification system
crack problem
crankcase oil classification
cyclacidin,cyelamycin
delivery by means of declaration
dial comparator micrometer
doctors make the worst patients
Drypetes hainanensis
electric heating element
environ-mental
excitation regulator
feruche
fetal nucleus
flange welding
for the account and risk of
frequency-ratio
fried chredded pork
get by the balls
got back at
ground beacon
hand scraper
hapeville
have recourse against
here comes the bride
high-amplitude wave
hopping job
HTML source
ICBN
II xanthine nucleotide
jaundice-root
kiowatt
lanseh trees
lesten
liking us
lined duct
mail bomb
maximum milling length
meter per second
mica packing plate
moccasin flowers
Mulliken's population analysis
nanomolar
negative difference effect
Net-volution
optimum
oratosquilla fabricii
organ-builder
oxazaborolidines
pack plane
Pasania konishii
plicarcularia graniferus
Podocarpus nakaii
primum
quadriply belt
quercite
round-trip gain
selene setapinniss
semi-variable condenser
signal generating station
sinkapace
sit for
smut of sugarcane
Somain
spooled output task
stateless money
sudety
sureboy
tachinid
tag sales
Talsis
three-phase regulator
time history
to the effect that
Ulleung-gun
utterabilities
Vestur-Bardhastrandarsýsla
vult
warfore
wound clip
wpbsas