音标:[.pri:fɒ:'meiʃәn] ;
n. 预先形成
[医] 先成说, 预成说
n. a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell
词型变化:名词复数形式 : preformations

1. What is this? 2. What is that? 3. What's this? 4. What's that? 5. What are these? 6. What are those? 7. Where is Mr. King? 8. Where is Ms. Knight? 9. Where's Johnny? 10. When's the movie? 11. When's lunch? 12. How is the food? This is a table. Tha

发表于:2018-12-02 / 阅读(232) / 评论(0) 分类 英语词组对话

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-04 / 阅读(166) / 评论(0) 分类 英文魔法师字源大挪移

IN THE NEWS - John Kerry Chooses John Edwards for Vice President By Cynthia Kirk Broadcast: Saturday, July 10, 2004 This is Bob Doughty with In the News, in VOA Special English. The Democratic Nationa

发表于:2018-12-07 / 阅读(180) / 评论(0) 分类 教育与新闻

football, soccer 足球 field, pitch 足球场 midfield 中场 kick-off circle 中圈 half-way line 中线 football, eleven 足球队 football player 足球运动员 goalkeeper, goaltender, goalie 守门员 back 后卫 left 左后卫 right back 右后卫

发表于:2018-12-19 / 阅读(141) / 评论(0) 分类 实用英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. Next time you are shoveling snow off your walk, don't blame the weatherman, blame bacteria. Because an international team of scientists has found that micr

发表于:2018-12-24 / 阅读(216) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(九)月

forest n.森林 forever ad.永远 forge v.打(铁等);锻造;伪造 forget vt.遗忘;忘却,忘掉;编造(谎言) vi.忘记 forgive vt.原谅;免除(债务等) fork n.叉;分岔 form n.形式;类型;格式 v.形成 formal a.正式的,

发表于:2018-12-30 / 阅读(141) / 评论(0) 分类 大学英语四级词汇拼读版

92 注意街头食品的卫生 DEVELOPMENT REPORT September 10, 2001: Street Food SafetyBy George Grow (Start at 1'01

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 科技之光

Information society 信息社会 Gary: [from Covent Garden in London] Ive chosen one of the hottest days of theyear to take a short stroll from our BBC studios to nearby Covent Garden. Imvisiting Hakim Kahtan, whos manager of Global Tele-Call. This part

发表于:2019-01-07 / 阅读(168) / 评论(0) 分类 英语讨论

Key Sentences(重点句子) 86.Madam.What can I do for you? 夫人。我能为您做些什么? 87.I'm looking for a man whose name is John. 我在寻找一位男士,他的名字叫约翰。 88.Could you tell me his room number,

发表于:2019-01-30 / 阅读(168) / 评论(0) 分类 实用英语

AGRICULTURE REPORT - Farmers Organize to Try to Control Potato SupplyBy Jerilyn Watson Broadcast: Tuesday, October 17, 2006 This is the VOA Special English Agriculture Report. Sorting potatos Potatoes

发表于:2019-01-30 / 阅读(135) / 评论(0) 分类 2006年慢速英语(十)月

By Kurt Achin Seoul 25 February 2008 The former Seoul mayor who swept December elections in South Korea is getting used to his new title: Mr. President. Lee Myung-bak has taken his oath of office in a formal ceremony in the South Korean capital. VOA

发表于:2019-01-31 / 阅读(169) / 评论(0) 分类 VOA常速英语2008年(二月)

今天我们要学的词是 pre-order. Pre-order 预购。iPhone5问世了。The iPhone5 went on pre-order just after midnight Pacific time last Friday. iPhone5 于美国西部时间上星期五凌晨12点一过开始预售。Roughly one hour after t

发表于:2019-02-04 / 阅读(170) / 评论(0) 分类 英语单词荟萃

TEHRAN, Oct. 18 (Xinhua) -- Iranian(伊朗) leaders on Monday urged for the quick formation of the Iraqi government, saying that will serve the interests of the Iraqi people and enable them to enjoy stability, security, unity and prosperity(繁荣

发表于:2019-02-06 / 阅读(182) / 评论(0) 分类 英语新闻

生活英语:先有鸡后有蛋 What came first, the chicken or the egg? Scientists in Britain think it was probably the chicken, after using new computer technology to try and crack the age-old riddle. Researchers at the Universities of Sheffield

发表于:2019-02-14 / 阅读(128) / 评论(0) 分类 实用英语

Words of Sports: Football 足球 football, soccer, Association football 足球 field, pitch 足球场 midfied 中场 kick-off circle 中圈 half-way line 中线 football, eleven 足球队 football player 足球运动员 goalkeeper, goaltender, goalie

发表于:2019-02-14 / 阅读(135) / 评论(0) 分类 实用英语

It feels like all three of you have been living under there. Something that. 感觉你们三个 一直住在那底下 Melanie, if the stalactites grows from the ceiling of the cave, 梅拉妮 如果说钟乳石是从洞穴的顶上长下来的 what f

发表于:2019-02-15 / 阅读(132) / 评论(0) 分类 艾伦脱口秀

Key Sentences(重点句子) 72.Is there any place in the hotel where we can amuse our-selves? 旅馆里有娱乐场所吗? 73.If you want to take a walk, you can go to the garden. 如果您想散步,可以去花园。 74.There i

发表于:2019-02-17 / 阅读(173) / 评论(0) 分类 实用英语

D You are what you eat. This saying has provided scientists with clues(线索)about the diet of hominids- our early relatives of 3 million years ago. Studying carbon atoms(碳原子)locked up in tooth

发表于:2019-02-26 / 阅读(236) / 评论(0) 分类 实用英语

resistance n.抗拒;抵抗力 The policy suffered strong resistance from the working class. 该政策遭受劳动阶级强力反弹。 Your body's resistance becomes low if you stay up late frequently. 如果你经常熬夜,身体的抵抗力就会

发表于:2019-03-17 / 阅读(401) / 评论(0) 分类 赖世雄进阶英语词汇3500
学英语单词
abhishekas
acne albida
act of supremacy
activate task
altura
Amitostigma wenshanense
amna
arch top
asbestos putty
authoritative inquiry
axoplasma
Bacterium dysenteriae liquefaciens
berth booking
books of authority
bossage without bevel
camitia rotellina
chasta
check someone out
compartmental analysis
continuous background
course-keeping performance
D, d
dearlings
Decabid
density modfulation
douleia
dysembryomas
escaped
external boundary condition
family dinornithidaes
feed oil pipe
Findιklι
float chamber vent
flying meets
foldback loudspeaker
freely floating pontoon
furterer
galactooligosaccharide
Galium exile
giammalva
glegly
ground-line treatment
holbeck
IDE interface
immunome
iothalamic acid
jato release cylinder
jerryd
jute bag marking ink
K. U. B.
Kiyskaya Sopka
Kompong Cham, Prek
krb
La Maya
low-test-gasoline
macking it
marine environmental science
master trust scheme
middelmannetjie
mulchings
multiple-counter technique
multivitamin pills
myriophyllums
natural agents
necrotic stomatitis
nonsequential operation
osteomyelitises
packaged terminal air conditioners
Penzias, Arno Allan
phosphate (protective)coating
poked out
pregenital plate
re-books
relative linear deformation
rescindible
SCH-20569
scratch up
sembl-
sir john cockcrofts
smoothing filter
stagnated gallbladder qi with disturbing phlegm
streptotrichal
suction parameter
syncytial cell endometritis
take a disease
targeted therapy
Thalitone
to peep
turn sth out
Umm Quwayz
unnebulous
velocity spread
vena ophthalmomeningea
vesicular sound
wash column
wave-guide
wild card character
wind disk
yava skin
year-longs
yippie ki-yay
Zolyes