[医] 胚胎形成的
n. Relating to, or aiding in, the formation of an
embryo; as, embryoplastic cells.

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(778) / 评论(0) 分类 历年考研英语阅读理解

We use plastic wrap to protect our foods. We put our garbage in plastic bags or plastic cans. We sit on plastic chairs, play with plastic toys, drink from plastic cups, and wash our hair with shampoo from plastic bottles! Plastic does not grow in nat

发表于:2018-12-01 / 阅读(683) / 评论(0) 分类 英语专业四级听力50篇

> 08 新型塑胶制品的应用 DATE=3-1-01 TITLE=SCIENCE REPORT- Self-Healing Plastic BYLINE=Mario Ritter (Start at 59

发表于:2018-12-07 / 阅读(376) / 评论(0) 分类 科技之光

Researchers may have found an unusual way to reduce plastic pollution, one bite at a time. It turns out that the common wax worm can eat plastic. Also known as the Galleria mellonella, these worms may help reduce the waste caused by plastic bags. Eac

发表于:2019-01-02 / 阅读(496) / 评论(0) 分类 2017年VOA慢速英语(五)月

By Ted Landphair Washington 09 August 2007 Every day, American consumers are offered a simple choice when they areby a store's cashier: paper or plastic? But as VOA's Ted Landphair explains in today's searching for solutions report, some communities

发表于:2019-01-07 / 阅读(458) / 评论(0) 分类 2007年VOA标准英语(八月)

Finn: Hello, I'm Finn, welcome to 6 Minute English. With me in the studio today is Neil. Neil: Hi there, Finn. Finn: Hello Neil. Today we have a royal story about Catherine, Duchess of Cambridge - or as she is still often known - Kate Middleton. Neil

发表于:2019-01-07 / 阅读(402) / 评论(0) 分类 六分钟英语

Thin plastic bags are the ultimate throwaway item. Used once to tote groceries, the thin white bags often go on to second lives as permanent pollution and an eyesore. So a host of countries, cities and other governments have banned them or forced con

发表于:2019-01-08 / 阅读(358) / 评论(0) 分类 Scientific American(八)月

Plastic Recycling From VOA Learning English, this is EXPLORATIONS in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we follow plastic bottles and other plastic objects as they go to one of the largest recycling centers in the

发表于:2019-01-12 / 阅读(384) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - Plastic Recycling From VOA Learning English, this is EXPLORATIONS in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Today we follow plastic bottles and other plastic objects as they go to one of the largest recycling

发表于:2019-01-12 / 阅读(429) / 评论(0) 分类 2013年VOA慢速英语(三)月

Bottles to Flake: Plastics Journey Continues They traveled hundreds of kilometers before today. Now begins the next leg of a journey that spans the entire globe. Welcome to one of the United States largest plastic recycling plants. On an average week

发表于:2019-01-13 / 阅读(393) / 评论(0) 分类 VOA标准英语2012年(六月)

RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A

发表于:2019-01-16 / 阅读(373) / 评论(0) 分类 2017年NPR美国国家公共电台3月

ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into

发表于:2019-01-16 / 阅读(391) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went

发表于:2019-01-21 / 阅读(348) / 评论(0) 分类 纯正英语一分钟

Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went

发表于:2019-01-24 / 阅读(387) / 评论(0) 分类 听一分钟英文-P

By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of

发表于:2019-01-31 / 阅读(529) / 评论(0) 分类 2006年VOA标准英语(七月)

Plastic Pollution NB: This is not an accurate word-for-word transcript Dan: Hello and welcome 6 Minute English from the BBC. Im Dan Walker Smith and today Im joined by Kate. Kate: Hello Dan. Dan: Now today Kate and I are talking about pollution. Kate

发表于:2019-02-04 / 阅读(436) / 评论(0) 分类 六分钟英语

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

发表于:2019-02-05 / 阅读(512) / 评论(0) 分类 阅读空间

During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa

发表于:2019-02-06 / 阅读(362) / 评论(0) 分类 新西兰英语

By Robert Raffaele Washington, DC 12 February 2008 Tests on several plastic baby bottles have found they emit very significant levels of a chemical linked to deadly illnesses in laboratory animals. That is according to a new report released by Americ

发表于:2019-02-07 / 阅读(422) / 评论(0) 分类 VOA常速英语2008年(二月)

They were at a deli in lower Manhattan. They ordered a ham sandwich with the works. The worker behind the counter was wearing plastic gloves. They watched him put ham, onion, tomato, and lettuce on each roll. He put the rolls on paper plates. He hand

发表于:2019-02-22 / 阅读(426) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
a babe in the wood
abenheim
acclamatory
acquisitions department
adenylated
air borne drying
ampasimenite
angle of inlet
Aulacophora femoralis
balance of retained earnings
basilophorous
bellissimo
big smoke
binocularity
cabbage moth
car with four independent wheels
cargo book
carotis arteria
chamming
chancing
Chloor-hexaviet
chordless
contact striking
correctour
cowsill
cyclic point group
direct muscle
draw-out track
egg cup
endodontologist
eosin methylene blue agar
Epipactis xanthophaea
flame weeder
Fleming valves
flexura lienalis
flux-frequency convertor
gaol delivery
Gaymard
Gelechiidae
Godeal
graa
gulacavae
Harding L.
Haussmannian
high pressure main stop valve
hurcheon
hydantoyl
hydraulic plate shear
hydrogen leakage value
if-else structure
Iturbide, Agustinde
laissez-aller
leak current
ledent
liberalnesses
long response time
menbrane
mine railway
mompe
Monckeberg's arteriosclerosis
Muko-shima
multures
necromantically
newsmongers
nonmissing
ockamie
oil pump motor
on sight
one-to-all broadcast
over-bearing
overflow type liquid heater
pack meat
peacefullest
pelophyte
pemphigids
percutaneous test
performance-based rating system
PK compound fertilizer
pleurolocular
Plotinian
radial neuroglia cell
raphisiderite
reduction (chemical)
remote bridge control of main engine
rhipidura
saffar
selenologists
show up
sirians
sterntrawler stern
sub-zero
tesle
treadle grate
two-dimensional array grammar
umbillical blood
unenforcable
universal joint knuckle
unmapped address space
vorarephilia
Walter William Skeat
yuteng ping sandstone