六硝酸纤维素;硝化棉;纤维素六硝酸酯

There are many arguments about the advantages and disadvantages of examinations. Some people think that examinations can help them review the lessons regularly, while others maintain that too many examinations have frustrated them. To me I think an e

发表于:2018-11-28 / 阅读(185) / 评论(0) 分类 疯狂英语易背作文

[00:00.00]Module 1 LEARNING METHODS [00:05.54]Unit 3 Some of the exams were very difficult. [00:11.24]4 Listen and complete. [00:15.06]Mum,I have my report here. [00:18.39]Great. Can you give it to me,please? [00:21.26]Sure. [00:22.78]Oh, this is for

发表于:2018-12-04 / 阅读(157) / 评论(0) 分类 外研社新标准初中英语九年级

New IMAX Space Documentary Brings Images to Life 新的3D IMXA给生活带来新的享受 What we watched then were blurry and grainy TV transmissions. Now, the 45-minute IMAX documentary puts the aud

发表于:2018-12-08 / 阅读(111) / 评论(0) 分类 VOA2005(下)--环境科学探索

书表慢性病 续处方笺Chronic Illness Prescription Slip 慢性病 续处方笺Chronic Continuous Prescription 慢性病 续处方笺Refill Presriptions For Chroni Disease 诊断书Medical Certificate 挂号费Registration Fee 证明费Certifica

发表于:2018-12-12 / 阅读(153) / 评论(0) 分类 医学英语

Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are

发表于:2018-12-27 / 阅读(118) / 评论(0) 分类 英语时差8,16

The Andes Mountains separate Argentina from a very long and narrow country on the Pacific shore named Chile. 安第斯山脉把阿根廷和位于太平洋沿岸的一个非常狭长的国家分隔开来,这个国家叫做智利。 Argentina is call

发表于:2018-12-28 / 阅读(97) / 评论(0) 分类 美国学生世界地理教材

抗真菌药 咪康唑 Miconazole 达克宁, 拜尼罗(康松无极膏), 无霉, 霉可唑, 双氯苯咪唑, 霉康唑, 美康唑, 密康唑, 克霉灵Micotin, Daktar, Andergin, Monistat 益康唑 Eco

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 医务英语

By Nancy Steinbach EDUCATION REPORT -July 25, 2002: SAT Examination This is the VOA Special English Education Report. Each year, millions of people around the world apply to study at American colleges

发表于:2019-01-06 / 阅读(126) / 评论(0) 分类 教育与新闻

13 May 2002, 14:14 UTC AGRICULTURE REPORT – May 14, 2002: Wood Chips Protect Waterways By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientists are developing ways to l

发表于:2019-01-07 / 阅读(130) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(五)月

Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl

发表于:2019-01-09 / 阅读(131) / 评论(0) 分类 VOA标准英语2011年(四月)

Technology Report - Scientists Develop Smartphone App for Eye Exams This is the VOA Special English Technology Report. More than two hundred eighty million people around the world have vision problems or are blind. The World Health Organization says

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2011年VOA慢速英语(五)月

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2014年VOA慢速英语(九)月

'Terrorists in Love' Examines Islamic Radicals How does a young man transform from a law-abiding middle-class citizen into a terrorist? Ken Ballen, a former federal prosecutor, spent five years trying to find answers to that question. The result is a

发表于:2019-01-13 / 阅读(131) / 评论(0) 分类 VOA标准英语2011年(十一月)

STEVE INSKEEP, HOST: Audiences had an unusual opportunity over the weekend to see classic movies the way they were originally projected. The TCM Classic Film Festival in Hollywood played movies on old-style nitrate film. It's very rare and beautiful

发表于:2019-01-17 / 阅读(164) / 评论(0) 分类 2017年NPR美国国家公共电台4月

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(153) / 评论(0) 分类 农业与发展

By Scott Stearns Dakar 10 November 2009 Prosecutors at the U.N. Special Court for Sierra Leone have begun their cross-examination of former Liberian President Charles Taylor who is facing charges of war crimes and crimes against humanity. Former Lib

发表于:2019-02-02 / 阅读(111) / 评论(0) 分类 VOA标准英语2009年(十一月)

By Deborah Tate Washington 18 July 2006 The Bush administration's nuclear accord with the Indian government was the focus of a Senate committee hearing Tuesday, with witnesses underscoring the benefits to both the United States and India. ---------

发表于:2019-02-03 / 阅读(195) / 评论(0) 分类 2006年VOA标准英语(七月)

The Beijing Waterworks Group, the company responsible for tap water supply in the capital, says starting from next week, the data on tap water quality will be available on the company's website. Major indexes, including degrees of color, turbidity an

发表于:2019-02-14 / 阅读(186) / 评论(0) 分类 英闻天下

台湾籍旅美老师今天交给我们的句子是: It's not rocket science: Focus on lean protein, healthy fats and non-processed, unrefined carbohydrates such as vegetables, beans, whole grains and fruit. 这不难懂:多摄取低脂肉类、健

发表于:2019-02-22 / 阅读(134) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
activated xsl
adductor tendinous opening
adhesive water
air borne survey
alabaster
alumina base catalyst
armenian lace
Astartes
autoheteroploidy
automatic pagination
axiom of denumerability
b. pr?patellaris subfascialis
baikas
beat all
beryllium (be)
business frontage
buzz-kill
cargo consolidator
charge-sheets
cob
commumication list
concrete mark
continuous time sequential decision process
convexo-concave seal face
cultural sedimentation
Cynocrambaceae
Darwinian tubercies
datum for heights
defrock
digitoquinone
economic turbine stages
extension of dimension line
extent of amendment
feather-legged bugs
Flickingeria tairukounia
fluid ounces
fly-fishermen
four-way union
free oscillating period
FWH
gallon-mile
geared inclinable crank press
genus gesnerias
glottomania
grave accent
haupia
henschiella saigusai
independent agent
innocence or guiltiness
kawaja
kilo ampere
Korbach
large-sample
linotype machines
lurchers
made a mystery of
MCT detector
meandrinids
microfilm map
minihamburgers
molders brad
Morrison Formation
Muc.
nanosoma
net terminal value
neuroleptanalgesia
night infrared sensor
non avenu
Non cul.
not even a dog's chance
piedra colomboica
pledgeor
primary grade of release
prologomenon
protected object space
psia
quinine hypophosphite
raconteur
rate of specific gravity
rhytidocarpous
rock plane
rubbed down
say no
scrape acquaintance
sea bed echo
sealed verdict
seebeck coefficient
selection switch
short wave transmitter
snade
standard inventory
stock lists
straight molecular orientation
tetritude
trade retaliation
Trout Peak
ulva pertusa
unexpected meeting engagement
unsleek
upgrade to
Vernadovka
virgula