[化] 涂刷粘度试验

> I’ve been working on the railroad, all the live-long day. I’ve been working on the railroad, just to pass the time away. Can’t you hear the whistle blowing? Rise up so early in the mom. Can’t you hear the captain shouting, “Dinah, blow you

发表于:2018-11-29 / 阅读(253) / 评论(0) 分类 迪斯尼儿歌第一集

06 Working in a Laboratory lab laboratory; a place where scientists and engineers work, conductingexperiments and tests* Students have to wear protective eyeglasses whenever they go into the lab. colleague co-worker; a person whom one works with, usu

发表于:2018-12-03 / 阅读(147) / 评论(0) 分类 2010年ESL之商务英语

I am a very _____ and ______ person.Whenever I have a job to do, I try to do it to the best of my ability. I like ____ and I enjoy____ . I try to find _____ ways to solve difficult problems. All of my life, I have got a great deal of personal ______

发表于:2018-12-04 / 阅读(92) / 评论(0) 分类 听听测测

Now if you use the right kind of atoms and you get them cold enough, something truly bizarre happens. 如果使用正确的原子,并让其足够冷却,奇迹就会发生。 It's no longer a solid, a liquid or a gas. It enters a new state of matt

发表于:2018-12-19 / 阅读(102) / 评论(0) 分类 TED演讲教育篇

Lesson 17 Learning to Live 学会生活 The fact that we are not sure what 'intelligence' is, nor what is passed on, does not prevent us from finding it a very useful working concept, and placing a certain amount of reliance on tests which 'measure'

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 新概念英语85年上外美音版

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

发表于:2018-12-24 / 阅读(126) / 评论(0) 分类 Scientific American(二)月

Elon Musk's Hyperloop is getting its first working test track When Elon Musk, the PayPal billionaire, announced his plans for a near-supersonic transport system of passenger capsules levitating inside tubes it sounded like science fiction. Now the co

发表于:2018-12-28 / 阅读(92) / 评论(0) 分类 英语PK台

232. A vocation for the vigorous 充满活力者的职业 vigor-vocational The vigor and vitality that one must possess to be a doctor is amazing. Perhaps many have the vision, but only the truly vigorous can handle such a vocation. Virtuosity is a m

发表于:2018-12-30 / 阅读(96) / 评论(0) 分类 胡敏托福词汇记单词

Compounding the problem is a social-psychological phenomenon called stereotype threat. 把问题往复杂了说,这就是成见威胁。 Social scientists have observed that when members of a group are made aware of a negative stereotype, 社会科学

发表于:2019-01-02 / 阅读(88) / 评论(0) 分类 向前一步

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

发表于:2019-01-03 / 阅读(314) / 评论(0) 分类 医务英语

听音乐学英语 Ive been working on the railroad我一直在铁路上工作 Ive been working on the railroad, all the live-long day. Ive been working on the railroad, just to pass the time away. Cant you hear the whistle blowing? Rise up so early

发表于:2019-01-07 / 阅读(154) / 评论(0) 分类 听歌学英语

By Mil Arcega Washington 25 May 2007 Technology and high gasoline prices are helping to coax hard-to-extract oil from California's oil fields. Production at some of the state's older oil fields is expected to dry up in about 25 years, but Chevron say

发表于:2019-01-13 / 阅读(181) / 评论(0) 分类 2007年VOA标准英语(五月)

STEVE INSKEEP, HOST: Turns out there are some workouts that can improve your memory. NPR's Jon Hamilton reports on two approaches to brain training. JON HAMILTON, BYLINE: Brain training programs often target something called working memory. KARA BLAC

发表于:2019-01-16 / 阅读(101) / 评论(0) 分类 2017年NPR美国国家公共电台10月

You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high accelerations? 也许你认为青蛙能捕食昆虫是由于舌头很粘的缘故。但

发表于:2019-01-20 / 阅读(160) / 评论(0) 分类 2017年Scientific American(三)月

Frog Spit Behaves Like Bug-Catching Ketchup 青蛙唾液竟然类似番茄酱? You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high acc

发表于:2019-01-20 / 阅读(112) / 评论(0) 分类 2017年科学美国人(七)月

By Al Pessin Pentagon 10 October 2006 The U.S. Defense Department says it is still evaluating data from the explosion and small earth tremor in North Korea on Monday to determine whether it was in fact an underground nuclear test, as the North Korea

发表于:2019-02-02 / 阅读(163) / 评论(0) 分类 2006年VOA标准英语(十月)

A AAMA American Automobile Manufacturers Association 美国汽车制造商协会 ACEA Association des Constructers Europens dAutomobiles 欧洲汽车制造商协会 ACS American Chemical Society 美国化学学会 AFR Air/Fuel Ratio 空/燃比 AFV Alternative Fuel Vehicle 代用

发表于:2019-02-03 / 阅读(124) / 评论(0) 分类 英文语法词汇

By Greg Flakus Houston, Texas 17 May 2007 High energy prices, coupled with rising demand, are putting pressure on the oil and gas industry worldwide. Many companies are finding and developing new, underwater fields. More than 67,000 representatives o

发表于:2019-02-05 / 阅读(149) / 评论(0) 分类 2007年VOA标准英语(五月)

Agriculture Report - Tomato's Genetic Secrets Are Peeled Away This is the VOA Special English Agriculture Report. Scientists have made a genetic map of the tomato. Tomatoes are second only to potatoes as the world's most valuable vegetable crop. Eigh

发表于:2019-02-08 / 阅读(147) / 评论(0) 分类 2012年VOA慢速英语(七)月

被动语态的译法 英语中被动语态的使用范围极为广泛, 尤其是在科技英语中, 被动语态几乎随处可见, 凡是在不必、不愿说出或不知道主动者的情况下均可使用被动语态,因此, 掌握被动语态的翻

发表于:2019-02-18 / 阅读(157) / 评论(0) 分类 实用英语
学英语单词