人工密闭生态系统

Section A [00:00.99]1. M: Let's talk about preparations for the dance. [00:04.70]W: We really need to plan better this time. [00:07.21]Remember what a mess it was at the last dance. [00:10.76]Q: What do we know about the last dance? [00:13.06]2. M:Ma

发表于:2018-12-01 / 阅读(315) / 评论(0) 分类 决胜六级英语听力

Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history

发表于:2018-12-02 / 阅读(272) / 评论(0) 分类 2007年NPR美国国家公共电台

4. In an experiment pubished in 1988, social psychologist Fritz Strack of the University of Wurzburg in Germany asked volunteers to hold a pen either with their teeththereby creating an artificial smileor with their lips, which would produce a disapp

发表于:2018-12-04 / 阅读(174) / 评论(0) 分类 考研英语长难句讲解

[0:0]arithmetic arouse arrange算术 引起,唤起 安排,准备 [0:37.8094]arrest artificial artistic aspect逮捕,拘留 人工的,人造的 艺术的,美术的 方面,面貌 [1:31.0307]assemble assembly assess asset混合,聚集 立法机构,议会 对...估价 人价值的,优点 [2:22.6436]as

发表于:2018-12-05 / 阅读(229) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(258) / 评论(0) 分类 创新英语

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

发表于:2018-12-16 / 阅读(171) / 评论(0) 分类 VOA标准英语2015年(一月)

Unit 7 Where would you like to visit? [00:04.88]SECTION A [00:07.84]1b Listen.Where would San,Gina,and Lydia like to go on vacation? [00:17.71]Why?Fill in the chart. [01:00.55]2a Listen and number these statements in the order that you hear them. [01

发表于:2018-12-17 / 阅读(328) / 评论(0) 分类 新目标初中英语九年级(全一册)

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(194) / 评论(0) 分类 Scientific American(五)月

UNIT 56 FOOD, CLOTHING AND SHELTER( Ⅰ ) Lesson 111 Part Ⅰ UNIT 56 FOOD, CLOTHING AND SHELTER( Ⅰ ) Lesson 111 Part Ⅰ Warming-up Exercises Spot Dictation: Eating Habits Eating _____change from g

发表于:2018-12-27 / 阅读(173) / 评论(0) 分类 英语听力入门 (全四册)

Cindy needed to return her dress. She tried it on at home earlier. It did not fit her. Today was the last day to return it. After today, she had to keep the dress. The store closes at 8 P.M. She started driving at 7:30 P.M. It took her 20 minutes to

发表于:2018-12-28 / 阅读(218) / 评论(0) 分类 英语第5级听力-English Level 5

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(305) / 评论(0) 分类 60秒科学

Asian Carp now outnumber native fish in many areas of the United States and their expansion particularly threatens the fragile ecosystems of the Great Lakes. In an effort to control algae growth, catfish farmers in the southern United States introduc

发表于:2019-01-13 / 阅读(222) / 评论(0) 分类 VOA标准英语2010年(七)月

Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata

发表于:2019-01-13 / 阅读(196) / 评论(0) 分类 VOA标准英语2010年(七)月

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(268) / 评论(0) 分类 VOA标准英语2011年(四月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(226) / 评论(0) 分类 VOA标准英语2011年(二月)

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

发表于:2019-01-19 / 阅读(223) / 评论(0) 分类 VOA常速英语2008年(二月)

唐顿庄园第一季第三集_2 [INT. THE VILLAGE - DAY] [Matthew rides his bicycle into the village and ring the bell on it as he comes upon Edith.] LADY EDITH Oh. [Matthew tips his hat and gets off his bicycle.] MATTHEW CRAWLEY Hello. I'd offer yo

发表于:2019-01-29 / 阅读(431) / 评论(0) 分类 唐顿庄园第一季

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前,The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

发表于:2019-01-30 / 阅读(192) / 评论(0) 分类 英语单词荟萃

Human bodies are frail, easily damaged packages full of parts that can never fully come back once lost. Luckily, researchers worldwide are working on replacing every bit of the body to make us all cyborgs. 人的身体是十分脆弱的,有些娇弱的

发表于:2019-02-08 / 阅读(539) / 评论(0) 分类 阅读空间

Artificial Speech Mimics Real Thing 合成声音发展渐入佳境 未来虚拟声音真假难辨 At a University of Arizona laboratory, Professor Brad Story analyzes the voices of singers, actors and public speakers both live and on audio tape. 在亚

发表于:2019-02-12 / 阅读(270) / 评论(0) 分类 VOA标准英语2011年(十一月)
学英语单词
Abell cluster
actual tons of handling
acute ileus
African Methodist Episcopal Zion Church
anion conductor
asbestos insulation cloth
Ashta
atomic-power facility
autumn leaves
back brusher
beltways
Bhagaura
boring bar bearing
buffering control
built up pillar
cathode casting machine
cinder
cocounsel
coffee-bean
combinatorial inequality
comparison colorimeter
cotton filter tube
count palatinate
development fog
do si do
edsacs
electrographic architecture
electronic recording potentiometer
emergency coupling device
ensrustation
eunuchoidism
Euonymus europaeus
every-day pickup
exile for
fast-sailings
featherlike
feed water valve
fracture of ischial tuberosity
free-running operation
generated gear
genetic complementation
glandilemma
graduating accuracy
gravity chance
green puffer-fish
hardware return-address storage
hereditary variance
Hgg(iron) carbide
hydrophones
information write wire
interanimal transfer
internal lap
invertible ideal
Japanese bitterling
jernegan
lexical semantics
loosely coupled multi-processor system
mechanism in radiation chemical processes
media trigger
megatowers
microcavity laser
military topographic conjunction
more by accident than design
muscle-nerve preparation
nanosecond pulse height analyzer
nippohermannia parallela
non-association cable
omnidirectional aerial
operation decision
over haul stand
price adjustment formula
primary circulation
proas
Processus orbitalis
propeller impeller
purplehearts
QEL (queue element)
quacky
Ratematic
resin bounded plywood
response speed
safe working voltage to ground
schizodactylid
slide valve ellipse
smashups
social behaviorism
source making technique
square box wrench
sub ballast
superior macular arteriole
supermoderator
switch jack
symbolic representations
technical assistance center
tinfoilers
told me off
two way fuse plug
ubiquitylated
unsatisfiabilities
vicens
vicount
viola crystallina