[高分子] 卡片高聚物

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(91) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(116) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(一)月

本杰明来到派出所。他的身份证丢了,得重新办一张新的。先登记,然后照相,最后一个星期后来拿新身份证,一切就这么简单。 Listen Read Learn Police officer: Good morning, sir. May I help you? Benjamin: Good morning. I need a new identification card. Police

发表于:2018-12-26 / 阅读(79) / 评论(0) 分类 英语口语大赢家

A: I'd like to get your store credit card. B: Here's the application form. A: I'm finished. Here's the form. B: Thank you. Now if you'll just give me a credit card. A: Here's my VISA. B: Thank you.

发表于:2018-12-26 / 阅读(79) / 评论(0) 分类 购物-Shopping

A:What can I help you with today? B:I need to check out this book. A: Do you have your library card? B: I don't have one. A: Would you like to apply for one right now? B: That's fine. A:I'm going to need you to fill out the application. B: All right.

发表于:2018-12-26 / 阅读(81) / 评论(0) 分类 在图书馆-At the Library

[00:02.75]Module 5 ACTIVITIES [00:06.01]UNIT 2 I'm making a card for my mother [00:11.34]1 Listen and read. Then say. [00:16.35]1 Sarah, what are you doing for Mother's Day? [00:20.33]I'm making a card for my mother. [00:22.91]That's nice, Sarah. [00

发表于:2018-12-29 / 阅读(87) / 评论(0) 分类 外研社新标准初中英语七年级

Helen: Hello, this is Real English from BBC Learning English, Im Helen. Zo: 大家好,我是刘佳。欢迎收听地道英语。 Helen: In Real English, we look at words and phrases that you might not find in your dictionary. Zo: 英语里随时都会出现新词汇还有流行的

发表于:2019-01-02 / 阅读(125) / 评论(0) 分类 地道英语在线听

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(109) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(154) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(71) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(152) / 评论(0) 分类 VOA标准英语2016年(二月)

A: May I help you? B: Could I check out this book? A: Let me see your library card. B: I need to get one. A: You can apply for one right now, if youd like. B: Okay. Let me do that right now. A: Could you fill out this application? B: Im finished. Her

发表于:2019-01-15 / 阅读(94) / 评论(0) 分类 英语情景对话-图书馆

A: What do you need? B: I would like to check out a book. A: Im going to need your library card. B: I dont have a library card. A: Why dont you apply for one right now? B: Sure. That would be great. A: Please fill out this application. B: Okay. Here

发表于:2019-01-15 / 阅读(97) / 评论(0) 分类 英语情景对话-图书馆

A: Hi. I'd like to get your store credit card. B: Here's the application form. A: ...I'm finished. Here's the form. B: Thank you. Now if you'll just give me a credit card. A: Here's my VISA. B: Thank you.

发表于:2019-01-20 / 阅读(98) / 评论(0) 分类 购物英语对话

A: I want to get a store credit card. B: I have the application form right here. A: ...Okay. I've filled out the form. Here you go. B: Thanks. Now all I need to see is a credit card. A: Here's my MasterCard. B: Thank you very much.

发表于:2019-01-20 / 阅读(100) / 评论(0) 分类 购物英语对话

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:2019-01-26 / 阅读(77) / 评论(0) 分类 英语单词荟萃

我们前三次讲了几个由骰子和筹码等赌博用具发展而来的习惯用语。今天我们接着谈同纸牌游戏相关的两个习惯用语。这两个习惯用语中都有一个词:card。相信很多听众朋友对card这个词都不陌

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 美国习惯用语
学英语单词
account receivable subsidiary ledger
an inch of cold iron
antisubmarine barrier
Argonne National Laboratory
at the sound of
be as sound as a bell
bear run
benchpresses
beskirts
Bizanet
BJPT
Boghaz
Caistor St Edmunds
capillary-ejectal (pele's hair)
Chewings fescue
cimarrons
circumcisors
conjugated fractures
contrast control of focus
crank head
critical deflect size
curve of growth
darkslides
decimal-coded
delivery of bill
demotes
detect in
dip one's finger s in something
dispersion power
embolia
extraplacental
feresa attenuata
financial accounting process
foraminate perforation
form relieved hob
galley press
genus tarpons
get ... ticket
haemoglobinometers
Haig L.
half-pipe
harriots
high mountain relief
hospital beds
icteric sputum
injection well pattern
ishing
joisting
laboratory(experimental)
legend of love
lightning pain
linkers
loliolus (nipponololigo) beka
makeup of import
Malacosoma californica
mathematical social science
mckyer
mediant triad
medium analysis fertilizer
meshcement
monolepta longitarsoides
mutual affection
nahra
osmosin
pediatric dermatology
pigment connective tissue
piss-takes
plashingly
pneumatic roll marking machine
powerlike
prebuffer
pressurized environment
principle of circulation
pro-activenesses
pulse warmer
put to rest
rail movement
railway
RBECS
remonstrable
removal census
rice plantation
Richard Leakey
Rimmon-parez
rummage about
saddle mt.
scattered directive radiation intensity ratio
semitard
semivalancy
shaft-position mechanism
slammerkins
substitution measurement
Suinglian
terrasses
transport protocol (tp)
Trichocolea
undue hardship
unhouses
unzipped
Urca process
went abroad