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Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e

发表于:2018-12-24 / 阅读(144) / 评论(0) 分类 2017年Scientific American(一)月

October the 16th is World Food Day (WFD). This date is when the Food and Agriculture Organization (FAO) of the United Nations started in 1945. WFD itself didnt start until 1979. It was created by the FAO at the Organization's 20th General Conference.

发表于:2018-12-29 / 阅读(172) / 评论(0) 分类 英语课程学习计划和讲义

You may think you are gazing upon a sleepy coral reef in the Caribbean Sea, and of course you are. But hiding in plain sight, is a riving teeming hotbed of erotica , that makes a Hollywood hot up party seem like a trip to the dentist. This is a coral

发表于:2018-12-30 / 阅读(198) / 评论(0) 分类 国家地理2007年

AS IT IS 2014-01-13 Terrorism Threat Remains Strong in Africa Hello, and welcome to As It Is from VOA Learning English. Im Christopher Cruise in Washington. Today we report from Africa on how the continent is dealing with the growing threat of terror

发表于:2019-01-12 / 阅读(120) / 评论(0) 分类 2014年VOA慢速英语(一)月

Stem Cell Treatment Boosts Heart Function A stem cell treatment for patients with heart failure significantly improved their heart function in a small but promising new study. In heart failure, the heart loses its ability to efficiently pump blood. I

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 VOA标准英语2011年(十一月)

心力衰竭患者有望逐步医治 A stem cell treatment for patients experiencing heart failure significantly improved their heart function in a small but promising new study. In heart failure, the heart loses its ability to efficiently pump blood

发表于:2019-01-14 / 阅读(170) / 评论(0) 分类 VOA标准英语2016年(七月)

Deafness 'Cure' is a Goal for Science The New York Academy of Medicine recently (October 3) hosted a research summit sponsored by the Hearing Health Foundation to promote a cure for deafness caused by damaged hair cells in the ear. An estimated 37 mi

发表于:2019-02-12 / 阅读(172) / 评论(0) 分类 VOA标准英语2011年(十月)

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(213) / 评论(0) 分类 英语新闻
学英语单词
accumulator right shift
adrenal glucocorticoid
align right
all waters
anterior vesicourethral angle
Arachnophyllum
artery of angular gyrus
automatic local frequency control
automatic telephone switchboard
below-the-fold
big lima bean
Bjerrum scotoma
blastular
blood purification
breast-feeding
broadbean
cape-fear
capital risk
cascade stripe
cement briquette
Chaldy
CL(Connectionless)
colour assortment
combined altitudes
consistence of composition
core machine
counter-tripping
cultivated parsnip
dimetridazole
directly-controlled system
displaced loop
duumviri
end of delivery
evidential fact
extensive physical quantity
external branchia (or external gill)
family Macrorhamphosidae
faustitude
feibai
Ferroferriwinchite
formulization
four hands
foyne
full-hearted
G & A
garroting
glimpseable
gossip columns
hard bounce
head-end ignition
Heterosomata
House of Tudor
hyperpinealism
IAEA
imaging lens
infrared sensitive material
Kafr Hammam
landfill leachate
lathe cramp
lie at the root of
macready
marine-land purpose motor
mausea
mccrae
measurement current
metaclase
microscopic sizing
milk-based
moong
mousambi
multi-array surveillance processing
Neave
neubers
No sweet without some sweat.
offstream water-uses
outage switching
ozius guttatus
pelecaniformes
plaster shears
podocnemidids
price transparency
prickly poppy
prolongation
radio range orientation
receival
revisualised
rocket launchers
screw nipple
send in an account
simple and opposite
Spanish needles
supplementary insulation
surrender monkeys
the main prop of a state
transmittabillty
transpanent zone
Uncaria rhynchophylloides
under-nutrition
variation of information
vector processors
voting securities
zairians