变换计数测试法

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-11-30 / 阅读(239) / 评论(0) 分类 英语情景对话-大学生活

Scientists Create Method to Test Food and Drugs for Purity Millions of people in developing countries have to be on guard against contaminated food and medicine. Some products could be harmful -- even deadly. In Nigeria, brake fluid was found in a pr

发表于:2018-12-07 / 阅读(135) / 评论(0) 分类 2017年VOA慢速英语(三)月

Strong writing is one of the most important skills for any college student. Many non-native English speakers have no idea what professors in the U.S. expect from a college paper. A college paper is a piece of writing than can be as long as 20 or more

发表于:2018-12-08 / 阅读(198) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Researchers Develop Better, Cheaper, Faster Zika Test 研究人员开发出更好、更便宜、更快寨卡病毒测试 From VOA Learning English, this is the Health Lifestyle report. A team of researchers say they have developed a new test for Zika

发表于:2018-12-08 / 阅读(104) / 评论(0) 分类 2016年VOA慢速英语(五)月

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-12-26 / 阅读(198) / 评论(0) 分类 大学生活-College Life

By David McAlary Washington 11 May 2006 Scientists have developed a cheap, rapid test to determine who has trachoma, the leading infectious cause of blindness in poor countries. The researchers say th

发表于:2019-01-04 / 阅读(198) / 评论(0) 分类 2006年VOA标准英语(五月)

A: Nice to see you; how have you been feeling lately? B: I have been feeling great, Dr. Smith. A: I am happy that you have decided to come in for your annual physical. B: Yes, I am going on a cross-country bike ride on vacation and want to make sure

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 英语情景对话-健康

A: Hello, so how are we feeling today? B: Things are going well for me, Dr. Smith. A: Am I correct in thinking that you are here for your annual physical? B: Yes, I am applying for new health insurance, and I need a physical examination to qualify. A

发表于:2019-01-11 / 阅读(160) / 评论(0) 分类 英语情景对话-健康

This is the VOA Special English Economics Report. Recently, the United States Supreme Court decided a case on the property rights of inventors. The question was whether a business method is enough of an invention to receive a patent. Patents are a fo

发表于:2019-01-11 / 阅读(130) / 评论(0) 分类 2010年VOA慢速英语(七)月

Taking Steps Toward a Great College Paper Strong writing is one of the most important skills for any college student. Many non-native English speakers have no idea what professors in the U.S. expect from a college paper. A college paper is a piece of

发表于:2019-01-12 / 阅读(147) / 评论(0) 分类 2016年VOA慢速英语(一)月

A: My doctor says that I need a blood test. B: I can help you with that. Just have a seat and roll up your left sleeve. A: What are you taking my blood for? B: Your doctor has requested a check of your white blood count. A: What information does that

发表于:2019-01-15 / 阅读(170) / 评论(0) 分类 英语情景对话-健康

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(125) / 评论(0) 分类 2017年NPR美国国家公共电台10月

英语作文的六大结尾方式和例句

发表于:2019-01-17 / 阅读(142) / 评论(0) 分类 英语作文

HEALTH REPORT - New Method to Find Alzheimer's Disease By Jerilyn Watson Broadcast: Wednesday, February 04, 2004 This is the VOA Special English Health Report. A computer picture of a brain affected b

发表于:2019-01-30 / 阅读(165) / 评论(0) 分类 健康与经济

By Jessica Berman Washington 12 October 2006 Researchers have developed a new tuberculosis test that makes a diagnosis possible in a fraction of the time it can take using other methods. Experts say the test would be especially useful in the develop

发表于:2019-01-31 / 阅读(234) / 评论(0) 分类 2006年VOA标准英语(十月)

标准名称Code Standard Name Fire Prevention Code防火规范 Uniform Fire Code, 2003 Edition (incorporates provisions from both the Fire Prevention Code and the WFCAs Uniform Fire Code)统一消防规范 2003版 Standard for Portable Fire Extinguishers手提灭火

发表于:2019-02-03 / 阅读(185) / 评论(0) 分类 英文语法词汇

If you have to start on a project but you don't know where to start, you might want to try starting from the end for a change! 如果你开始一个任务,但你不知道从哪里开始,你可能会想试着改变一下,从任务的最后开始入手

发表于:2019-02-05 / 阅读(132) / 评论(0) 分类 阅读空间

In the English language, spelling and pronunciation have a funny relationship. How we write a word and how we say it often do not agree. There always seem to be exceptions to the rule. Today our question is related to pronunciation. It comes from our

发表于:2019-02-12 / 阅读(147) / 评论(0) 分类 2019年VOA慢速英语(一)月

A few minutes can feel like forever when you're waiting on the results of a pregnancy test. But in that brief time, you're witnessing the power of the scientific method. That one little stick lets you ask a question, perform a controlled experiment,

发表于:2019-02-14 / 阅读(122) / 评论(0) 分类 留美老师带你每日说英文

第一、迷你对话 A: Look! It is not working well. Did you try out the bike when you bought it. 看,这两自行车不好用,你买的时候没试用吗? B: No, theres no need. We can change it within two days if its not damaged. 是的,没

发表于:2019-02-22 / 阅读(134) / 评论(0) 分类 迷你对话学地道口语
学英语单词
5-Hydroxytrptophan
alatern
alloy steels
annual report on exchange restrictions
araucaria heterophyllas
arrector pili muscle
Atambua
Bafoussam
Baikie, William Balfour
blood circulatory volume inadequacy
boat-mounted streamflow-measuring equipment
brabo
brassica juncea coss.var.sabellica(plenck)kit.
broadband demodulator
carry around
casting leakage
centrie component
ceratoplasty
charactered
circular plain bearing
circumnarial
clouds and collision warning
colliery survey
conjugate rotation
conjunctival tumour
DDR SDRAM
deep knowledge
demolinguistics
demophobic
double knitting wool
emgler chop
ERGO series
excision of maxillofacial minor tumor
Fagridalur
feeder hopper
futabatei
gas meters
Gentiana thunbergii
herd number
high arch
high brightness concentration factor
high magnetostriction alloy
housage
icy conglomerate model
initial-value
intermediate temperature-setting adhesive
ixionolite (ixiolite)
jannocks
kinaesthetic sense
labi
labyrinthiform organ
lays into
li'l'
lumped voltage
mackmurdo
mastoido-
Mauro
mechanics of gyroscopes
module file
more-flexible
narrow-band RF channel
natural region
neutral atomic beam injector
nonreimbursable assistance
nose-wheel
NRO (numeric read out)
one-to-one function, one-to-one mapping
osteopsathyrosis congenita
outgoing mirror
personal digital assistant
PHOSITA
pipeable
pointer finger
pressed powder printed circuit
primary reserve
program origin
programmable open system
put the kibosh on something
rate of water absorption
ratio recorder
regular detection function
relighter
sandgauge
scientific circles
selfeffacingness
seute
sophophora
stop engine
Strait of Otranto
sulphur oxides
surface wave radiation
Thalictrum smithii
the operator
time-step
token passing
Too true!
toren
unal
unitized handing
visibility
yellow dwarf coconut
Zygosaccharomyces soja