菌群改变

Common Infection Raises Female to Male HIV Risk A common bacterial infection among women in sub-Saharan Africa sharply increases the risk of HIV transmission to men. Researchers say current treatments provide only a short-term solution. Its long been

发表于:2018-12-08 / 阅读(205) / 评论(0) 分类 VOA标准英语2012年(六月)

[00:08.72]Hank Stram lives in San Francisco with his wife and daughter. [00:14.97]On October 17th,1989 a strong earthquake took place and killed over 100 people. [00:23.61]Hank was caught in the earthquake. [00:27.45]1 Listen to part 1. [00:32.10]The

发表于:2018-12-13 / 阅读(407) / 评论(0) 分类 高中英语人教版2000年高一

[00:06.09]LISTENING [00:08.72]Hank Stram lives in San Francisco with his wife and daughter. [00:14.89]On October 17th,1989 a strong earthquake took place and killed over 100 people. [00:24.45]Hank was caught in the earthquake. [00:28.21]1 Listen to p

发表于:2018-12-13 / 阅读(283) / 评论(0) 分类 人教全日制普通高中英语(必修)高一

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(188) / 评论(0) 分类 2018年NPR美国国家公共电台10月

Each of us harbors a unique collection of bacteria, on our outsides and our insides. Now, scientists are finding that the bacteria you get at birth may depend on how you got here. Because babies born vaginally have a different set of microbes than th

发表于:2018-12-24 / 阅读(216) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 Scientific American(五)月

Baby's Bacteria Related to Birth Method 出生方式决定婴儿携带什么样的细菌 Each of us harbors a unique collection of bacteria, on our outsides and our insides. Now, scientists are finding that the bacteria you get at birth may depend on

发表于:2018-12-28 / 阅读(185) / 评论(0) 分类 初学者听力文摘精选

The Road to Happiness 幸福之道 If you look around at the men and women whom you can call happy, 只要你观察一下周围那些你可称之为幸福的男男女女, you will see that they all have certain things in common. 就会看出他们都

发表于:2018-12-31 / 阅读(169) / 评论(0) 分类 英语小达人

John Keats (1795 - 1821) My heart aches, and a drowsy numbness pains My sense, as though of hemlock I had drunk, Or emptied some dull opiate to the drains One minute past, and Lethe-wards had sunk: Tis not through envy of thy happy lot, But being to

发表于:2019-01-02 / 阅读(240) / 评论(0) 分类 英语诗歌

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(187) / 评论(0) 分类 四六级词汇与结构练习

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(193) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(247) / 评论(0) 分类 Scientific American(一)月

Poachers have killed one of the worlds largest elephants a famed great tusker named Satao in Tsavo East National Park in Kenya. 在肯尼亚东察沃国家公园,偷猎者杀死一头世界上最大的大象有名的长牙大象萨韬(Satao)。

发表于:2019-01-08 / 阅读(199) / 评论(0) 分类 英语笔译

用词错误 1) Students must know how to operate a computer. / Students must know how to work on a computer. 2) People can be exposed to many new things on the Internet. / People can learn many new things on the Internet. 3) The purpose of this lett

发表于:2019-01-08 / 阅读(176) / 评论(0) 分类 大学四六级阅读

22 专为女人设的

发表于:2019-01-30 / 阅读(189) / 评论(0) 分类 文化聚焦

One elderly couple's car somehow ended up on its side in Bel Air, and they made the best of the situation by snapping photos. 一对老夫妇的汽车在了贝莱尔的路边抛锚,他们充分利用这一情况抓拍了照片。 Benjamin and Eliza

发表于:2019-02-05 / 阅读(200) / 评论(0) 分类 英语新闻

New Zealand's five dollar note has been named the banknote of 2015 by the International Bank Note Society -- a clear winner among nearly 40 eligible designs from a record 20 countries. 新西兰5元纸币近日被国际纸币学会评为2015年度最佳

发表于:2019-02-07 / 阅读(195) / 评论(0) 分类 英语新闻

Travel美国旅游风尚It's summertime, and the livin' is easy. For many Americans, this is the season to travel. Why? Because school is out. Because the weather is great. And most of all, because we all deserve a break. When Americans take a break,

发表于:2019-02-09 / 阅读(207) / 评论(0) 分类 英美文化

MEXICO CITY, May 18 (Xinhua) -- The Mexican government signed an agreement with the non-governmental group TRAFFIC on Tuesday to exchange information about illegal seizures of flora and fauna species in Mexico. The agreement with the wildlife trade m

发表于:2019-02-17 / 阅读(216) / 评论(0) 分类 英语新闻

Wegener developed the theory that the world's continents had once come together in a single landmass he called Pangaea, where flora and fauna had been able to mingle, before the continents had split apart and floated off to their present positions. A

发表于:2019-02-25 / 阅读(200) / 评论(0) 分类 万物简史
学英语单词
-lite
a deep impression
account title for annual expenditures
active vibration isolation
allantoic sac
applied value
barely-there
bellows-type mechanical seal
beta-phenyl-hydrazine
bosonize
callistocythere shuliana
chandrasekhar-schonberg limit
Charter Vessel
chequered career
Chinese hibiscus
chloride stress
climatic treatment
Colusa County
common capital stock
compound nuclear reaction
crystalline enzyme
crystallographers
crystalware
cuestiform
Deutschland
dextro-(d-)
diastereomorphism
double nips
dribble charging
ecarteur
esksides
exoglucohydrolase
eyeservants
Faraday birefringence
gapicomine
goods trade-mark
guv'nor
heat flow diagram
heteronucia laminata
HPCI pump (high-pressure coolant injection pump)
in someone's head
induction of labor with bougie
jiscs
kneeing
laboratory reliability test
LCL car
leveling roller
loss of use
lowest-paid
macropodus opercularis
market level
Markit
middlehard
molten rock casting
morgan le fays
nefandous
node of a truss
norhopane
numstring
out of stock rate
package tour
parcity
pediocactuss
pelletierine hydrochloride
plant-own power
play the accompaniment to
PNCV
polerovirus cucurbit aphid-borne yellows virus
power filter
pro forma transaction
procurement of material
proportionals
quercus garryanas
rail-and-structural steel mill
relative capacity
rotary heat exchanger
running off at the mouth
rupestre
Sarcandrae
shockcorded
shovelfuls
sinarella formosensis
slowed-downs
soft-tops
solderless connection
Soxisol
spaghetti western
Ste-Gemme-la-Plaine
stochastic control process
Stroganovite
suzani
Swisshome
the public gallery
time recovery
tuberosity of fifth phalange
unslot
varyte
viverriculla indica
waybung
Whitehills
withdrawal of claim
x-ray lamp