氧甲基烟酰胺,利胆素,羟甲基烟酰胺

Over 2 years of study, Randolf has shown that these doses neonicotinoids do affect bees' higher cognitive processes, especially their memory of the landscape around them.-We tested about 200 bees, both controlled bees and pestcide-treated bees, and w

发表于:2018-12-03 / 阅读(123) / 评论(0) 分类 探索与发现2013年

-There are at least pieces of evidence which show really serious impacts from levels of neonicotinoids that bees, wild bees could be exposed to in wild environment.And the arguement against the ban was laid out by one of the pesticide manufacturers.

发表于:2018-12-03 / 阅读(137) / 评论(0) 分类 探索与发现2013年

Study: Insecticide Is Killing Wild Bees 研究发现杀虫剂杀死野生蜜蜂 A new study says a widely-used insecticide is damaging wild bee populations. Wild bees are important, because they pollinate crops and wild plants. Environmentalists in t

发表于:2018-12-16 / 阅读(87) / 评论(0) 分类 2015年VOA慢速英语(五)月

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(97) / 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(148) / 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(151) / 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(109) / 评论(0) 分类 初学者听力文摘精选

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook Manicotti, Tacos, lots of food. Todd: OK. So what is Manicotti? Jessica: Manicotti is...it

发表于:2019-01-02 / 阅读(104) / 评论(0) 分类 英语访谈对话

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(169) / 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(151) / 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(188) / 评论(0) 分类 农业与发展

一个挪威的喜剧演员二人组,他们主持的脱口秀电视节目在挪威本地有不少忠实观众,而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的

发表于:2019-01-10 / 阅读(530) / 评论(0) 分类 英乐时空

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(152) / 评论(0) 分类 VOA2003(下)-环境与健康

Todd: OK, Jessica, we are going to talk about cooking. 杰西卡,我们来谈一谈做饭。 Jessica: OK. 好的。 Todd: Now, you like to cook! 你喜欢做饭! Jessica: Yes. 是的。 Todd: OK. What can you cook? 你会做什么? Jessica: I c

发表于:2019-01-15 / 阅读(102) / 评论(0) 分类 实战口语情景对话

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook manicotti, tacos, lots of food. Todd: OK. So what is manicotti? Jessica: Manicotti is...it

发表于:2019-01-20 / 阅读(125) / 评论(0) 分类 原版英语对话1000个

Tender Is the Night - Book Two by F. Scott Fitzgerald Chapter 21 Rosemary had another dinner date, a birthday party for a member of the company. Dick ran into Collis Clay in the lobby, but he wanted to dine alone, and pretended an engagement at the E

发表于:2019-01-26 / 阅读(125) / 评论(0) 分类 有声英语文学名著

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(174) / 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(159) / 评论(0) 分类 VOA常速英语2013年(十月)

1) G2G = got to go = 我得走了 2) TTYL = talk to you later = 一会儿再聊 3) XOXO 亲亲抱抱

发表于:2019-02-07 / 阅读(303) / 评论(0) 分类 OMG美语

Todd: OK, Jessica, we are going to talk about cooking. Jessica: OK. Todd: Now, you like to cook! Jessica: Yes. Todd: OK. What can you cook? Jessica: I can cook Manicotti, Tacos, lots of food. Todd: OK. So what is Manicotti? Jessica: Manicotti is...it

发表于:2019-02-27 / 阅读(168) / 评论(0) 分类 英语口语练习册
学英语单词
Abejuela
absolute modulus
alpine sunflowers
angel r.cabada
anisochromasia
assalamu alaykum
asymmetric oxidation
audiohighway
auroargentiferous tellurium
auto-screen printing machine
Aynazhi
Bajrakot
bibliomancies
blassas wool
buckeystown
Bīshoftu Hāyk'
cam shedding
capital of Sri Lanka
charge voltage
chills out
Chisindia
closed circuit working
coeliocele
cogenetic rock
computer cook
concerted music
conductance for alternating current
coning water
dihexagonal-dipyramidal
dispercle
Dronero
embryonic disk,embryonic disc
equiralve
equivalence conception
Eranthemum austrosinense
Fatu Hiva I.
ferrodynamometer
filter difference technique
firk
fleet terms
Flumensil
forestretch
functional key
gerhart
Graibach
handsetting stem
Hershey squirts
hide winch
higher low water interval
histoneurology
Hunterganj
Indian Airlines Corp.
information entropy
intensate
Kirgishany
knitted gunning hose
kostof
LISP construction
long-duration test
machinery clause
magic square
minimum safe altitude warning (msaw)
monodendrimers
motored
Nävekvarn
oral-b
owner's survey fees
page fault cluster size
paramagnetic contrast medium
peremptory period
Peyrot's
photometered
polyphonisms
postlaminectomy
potjiekos
product improvement
project dicision
projection print
pull system
raising of embankment
redem
Rhinopoma
sekret
self-bearing capacity of surrounding rock
short intervals
short-circuit analysis
simonizing
sliped
spectroscopically pure zinc
Sphaenobaiera
sticklers
strip frequency
sundstrom
tesseradecade
the adam's apple
three-needs theory of motivation
very fine granular aggregate
western whiptail
what is said above
whiskets
Witbroek
Yuecheng