胚表皮

Health nbsp; Economics The big story for Washington for 2002 is going to be the November elections. And while that’s a long way off for the rest of the country, it’s very much on politicians- mind

发表于:2018-11-28 / 阅读(223) / 评论(0) 分类 疯狂英语2002年

[00:00.96] 10.Calamity [00:03.25]A girl grumbled to her father about her hard life. [00:07.39]She didnt know what she had to do and wanted to give up. [00:11.31]She felt tired for fighting and fighting. [00:13.92]One problem had been finished but the

发表于:2018-12-03 / 阅读(197) / 评论(0) 分类 自然百科2008年

A Rose By Any Other Name Just saying the word rose conjures up images of romance, secret admirers, Valentines gifts, and bridal bouquets. Romantics imagine soft, red petals and long, graceful stems, but practical gardeners know all about painful, poi

发表于:2018-12-05 / 阅读(140) / 评论(0) 分类 英语听力文摘 English Digest

[01:07.18]I loved my mother so much 我爱我的母亲 [01:15.38]She was a drug addict 她是个瘾君子 [01:17.38]She was an alcoholic 她是个酒鬼 [01:18.10]She was legally blind 而且基本失明 [01:23.38]She was a schizophrenic 患有精神分

发表于:2018-12-07 / 阅读(167) / 评论(0) 分类 听电影学英语-风雨哈佛路

Agricultural officials say they think an organic farm in northern Germany was the source of the deadly E. coli outbreak that has sickened more than 2,000 people in Europe. Twenty-two people have died. Investigators traced the bacteria to beansprouts

发表于:2018-12-17 / 阅读(161) / 评论(0) 分类 2011年NPR美国国家公共电台6月

Just saying the word rose conjures up images of romance, secret admirers, Valentines gifts, and bridal bouquets. Romantics imagine soft, red petals and long, graceful stems, but practical gardeners know all about painful, pointy thorns. As the saying

发表于:2018-12-18 / 阅读(133) / 评论(0) 分类 2018年NPR美国国家公共电台2月

bark, [bɑ:k] n 树皮(可用于制革或入药);v 狗吠(cry of a dog); 【例】The bark can be used as medicine 树皮可以作药材。Dogs always bark at strangers 狗总是对着陌生人叫。 【类】epidermis:mammal=bark:conif

发表于:2018-12-30 / 阅读(143) / 评论(0) 分类 不择手段背单词

1. dermatologist /ˌdɜ:məˈtɒlədʒɪst/ -- physician specializing in dermatology, the science dealing with the skin and its diseases The patient with the skin disorder is under the care of a dermatologist. 那个患皮肤病的病人正在接受皮

发表于:2018-12-30 / 阅读(154) / 评论(0) 分类 突破英文词汇

Junctional epithelium - the epithelium which seals the base of the gingival sulcus against the tooth. Keratan sulphate - a glycosaminoglycan found in cartilage, with chondroitin sulphate. Keratin - a

发表于:2019-01-03 / 阅读(180) / 评论(0) 分类 医务英语

Ecological balance - astable balance in the numbers of each species in an ecosystem. In the ecosystem of the mouth this balance is brought about by competition and cooperation between the different or

发表于:2019-01-03 / 阅读(179) / 评论(0) 分类 医务英语

Osmotic pressure - Water tends to move towards dense concentrations of ions. Sugar solutions on the surface of exposed dentine cause water to be drawn out of the dentinal tubules causing which distort

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(十一)月

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(177) / 评论(0) 分类 健康与经济

This is the VOA Special English Health Report. Bethesda, Maryland, near Washington, D.C., is home to the National Institutes of Health. N.I.H. calls itself the Nation's Medical Research Agency. But it supports research worldwide with its budget of a

发表于:2019-01-11 / 阅读(158) / 评论(0) 分类 VOA慢速英语2008年(十一)月

By Ted Landphair Washington 26 July 2007 For a second time in a year, President Bush has vetoed a bill that would have sanctioned federally funded stem cell research using human embryos. His stance reflects conservatives' view that destroying life to

发表于:2019-01-12 / 阅读(189) / 评论(0) 分类 2007年VOA标准英语(七月)

ROBERT SIEGEL, HOST: We're going to hear now how doctors in Europe used genetically engineered skin cells to treat a child who was on the verge of death from a rare inherited disease. The treatment represents a notable success for the field of gene t

发表于:2019-01-16 / 阅读(173) / 评论(0) 分类 2017年NPR美国国家公共电台11月

An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现,动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后,可能仅需10年,人类就可以告别白发

发表于:2019-02-01 / 阅读(153) / 评论(0) 分类 趣味英语

一个句子中难免出现一两个生字。在这种情况下,不必马上查字典,只要根据上下文的关系,就可能猜测生字的意思了。 下面这些例子,值得大家参考: ⒈利用括号内的解释,如: ① The po

发表于:2019-02-05 / 阅读(179) / 评论(0) 分类 英文语法词汇

A alternate bearing 大小年结果 amendment 调理剂 ample 充足的 anatomical 解剖的 aneuploid 非整倍性(的) anion 阴离子 annual 一年生植物,一季生植物 anther 花粉囊,花药 anthocyanin [植]炭疽病 antibiotic 抗生

发表于:2019-02-09 / 阅读(275) / 评论(0) 分类 英文语法词汇

Prune Skin 当在浴缸中浸泡过久后,我们的皮肤表层(表皮)吸收了一定水分,于是我们的肌肤看起来就会像老太太的一样了。手和脚的皮肤比身体其他部分的皮肤略厚,所以它们的变化也更引人

发表于:2019-03-09 / 阅读(182) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
alchemister
angels camp
apodidaes
beacon transmitter
between hawk and buzzard
bulk buying
bumper injury
cabalists
callistephuss
catandica (catambica)
cleik
click wheel pinion
coccomyces foliicola
cold erythema
color sideband
crab seedling rearing
dagley
die width
different feeding schedule
dog head
double shear steel
electron spin resonance spectrometer
elementary formula
face balance
fasttalk
foscarnet
fricandels
frine
front suckers
Gabriele
Geluksburg
glandular-punctate
great-leaved macrophyllas
gungas
hard varnish
homocladic anastomosis
Huixquilucan
indian sub - continent
intrinsic prime implicant
intytle
ion species
just-noticeable differences
kokchang (gogchang)
labour lost
leveraged contract in foreign exchange
limiting position
local marketing
loufah sponges
lunata
machine infinity
magnetic relay timer
Margherita Peak
mathildids
meet your Waterloo
men's shorts
mispen
murmell
Nagakute
no seedlings
Nowata County
orthophoto stereo-mate
panniculus carnosus muscle
paravallaridine
places of historic interest
pleasure-house
podoll
Port Isaac Bay
prolixed
PSND
railway spike
regional block
repington
reserve receiver
rolling demos
rolypolinesses
runner blade servomotor
Saint-Joachim
sand cloud
shared track
shipment transaction
spsss-s
staff house
static properties
suction dredge
suffrago
sun synchronous keeping
superscriptions
superstitious notion
text extraction
thimbleweeds
tiahuanaco
tie dye
tollcross
tritium separation
unshaking
varks
vector method
velocity control servo
wheel lock up
whitecoat
whitefin dolphins
wood-dove