基本传输损耗

Medical Microbiology医学微生物学 adenovirus 腺病毒 adsorption 吸附 aerobe 需氧菌 aflatoxin 黄曲霉毒素 airborne transmission 空气传播 amantadine 金刚烷胺 anaerobe 厌氧菌 anthrax 炭疽 antigenic drift 抗原漂移,抗原转

发表于:2018-11-29 / 阅读(162) / 评论(0) 分类 医务英语

9) The number of violent acts on televisions in the past years __ has increased __ (increase) from about 19 to 27 per hour. (15A 2004 上 ) 10) Your mind _ will keep ___ (keep) up with your reading sp

发表于:2018-12-01 / 阅读(168) / 评论(0) 分类 自考英语(一)78讲

Dialogue 4 BUYING A SECOND-HAND CAR Laurance- What kind of a car do you have? Soony--- An old one. Laurance- I know it's old, but what make is it? Soony-- - It's a Chevrolet. Why do you ask? You going

发表于:2018-12-03 / 阅读(74) / 评论(0) 分类 英语听力训练连载

Dialogue 4 BUYING A SECOND-HAND CAR Laurance- What kind of a car do you have? Soony--- An old one. Laurance- I know it's old, but what make is it? Soony-- - It's a Chevrolet. Why do you ask? You going

发表于:2018-12-03 / 阅读(102) / 评论(0) 分类 听力每日练习补充

Dialogue 4 Laurance- What kind of a car do you have? Soony--- An old one. Laurance- I know it's old, but what make is it? Soony-- - It's a Chevrolet. Why do you ask? You going into the car business? L

发表于:2018-12-10 / 阅读(104) / 评论(0) 分类 英语经典听力对话

At the clinic: Doctor: So, how have you been getting along with this arm? Liz: Fine. I can get around alright, but it has definitely slowed me down. Doctor: Have you had any pain? Liz: At first I had some at night, but that only lasted a few days. Do

发表于:2019-01-01 / 阅读(86) / 评论(0) 分类 英语博客 A cup of English

Direct Inward Dialing (DID) DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations without attendant assistance. DID greatly reduces the number of required co

发表于:2019-01-03 / 阅读(88) / 评论(0) 分类 电信英语

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(96) / 评论(0) 分类 四六级词汇与结构练习

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(142) / 评论(0) 分类 2017CRI中国国际广播电台

HARI SREENIVASAN: The U.S. Food and Drug Administration today asked blood centers in two in Florida counties to suspend blood donations until each unit can be screened for the Zika virus. This comes as state health officials investigate four non-trav

发表于:2019-01-27 / 阅读(93) / 评论(0) 分类 PBS访谈健康系列

World Health Organization (WHO)联合国世界卫生组织 Centers for Disease Control and Prevention (CDC)美国国家疾病控制与预防中心 Beijing municipal animal epidemic prevention centre 北

发表于:2019-01-31 / 阅读(99) / 评论(0) 分类 英文语法词汇

May 1 marks the 50th anniversary of a special computer language aimed at enabling college students not trained in mathematics to use computers. The birth of BASIC is now seen as a major step toward the era of personal computers. 50 years ago, compute

发表于:2019-02-05 / 阅读(141) / 评论(0) 分类 英语新闻

By Douglas Bakshian Manila 06 May 2008 A new report says the lives of millions of young children could be saved each year if basic medical care and medicine are made available to the poor. Douglas Bakshian has more from Manila. The report by the U.S.

发表于:2019-02-05 / 阅读(123) / 评论(0) 分类 VOA标准英语2008年(五月)

电视机的进化 Television -- the most pervasive and persuasive of modern technologies, marked by rapid change and growth -- is moving into a new era, an era of extraordinary sophistication and versatility, which promises to reshape our lives and

发表于:2019-02-05 / 阅读(89) / 评论(0) 分类 实用英语

英语作文 Every sportsman should have sportsmanship. When defeated, he should greet his opponent and congratulate him. If he can't, on one will care to be his opponent because he lacks basic decorum and the spirit of a good sportsman. A true sportsma

发表于:2019-02-06 / 阅读(64) / 评论(0) 分类 英语作文

每年的12月1日是世界艾滋病日,今年中国的宣传主题是合力抗艾,共担责任,共享未来。 请看相关报道: Six out of every 10,000 people in China may be infected with HIV/AIDS, according to official figures revealed

发表于:2019-02-11 / 阅读(72) / 评论(0) 分类 英语口语

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice

发表于:2019-02-14 / 阅读(233) / 评论(0) 分类 环球英语 Spotlight

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(104) / 评论(0) 分类 英语新闻

Glossary for Telecomunications This glossary helps explain some of the acronyms and technical phrases Bluetooth A short-range wireless technology designed to allow connection of portable devices in a wire-free manner. For example connection of a wire

发表于:2019-02-18 / 阅读(104) / 评论(0) 分类 实用英语

台湾同胞 Taiwan compatriots 台湾、香港、澳门保持原有的资本主义制度和生活方式长期不变 Taiwan, Hong Kong and Macao will retain the current capitalist system and way of life for a long time to come. 炭疽 anthrax 踢皮球

发表于:2019-02-22 / 阅读(84) / 评论(0) 分类 实用英语