单词：immune defence mechanism
单词：immune defence mechanism 相关文章
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th
Scientific American(八)月
He is immune to chickenpox, he had it as a child. 他对水痘免疫，他小时候就得过了。 immune表示免疫的，immune system就是指身体的免疫系统；而对...有免疫力就用be immune to...这个词组。
蒋健棠英语实用句子
Feeling down? Youre not alone. If depression seems pretty common, it is. One in every ten adults suffers from depression. And thats what has scientists puzzled. If depression is a detrimental condition, why is it so rampant in the population? Some sc
英语听力文摘 English Digest
Mr Clean 清白先生 Ian King wants to transform the way the world's third-biggest defence company does business 伊安金想转变世界第三大军工公司的经营之道 ON JUNE 27th last year, just six weeks after Mike Turner, the chief executi
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你有没有被煲过电话粥?就是那种明明不想继续聊下去，但对方却一直滔滔不绝的电话?听着对方的喋喋不休，竟不知该如何打断，只好一边嗯，啊，对，一边无奈地翻着白眼。。。如何打断那些
英语口语
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we talk about a sickness called lupus and other autoimmune diseases. Autoimmune diseases affect the immune system the body's
VOA慢速英语2009年（四）月
Any Other World Mika in any other world you could tell the difference and let it all unfurl into broken remenents smile like you mean it and let yourself let go cos it's all in the hands of a bitter, bitter man say goodbye to the world you thought yo
好听的英文歌曲
Researchers have developed an improved version of the smallpox vaccine that can be combined with a vaccine against anthrax. The dual vaccine represents a significant scientific achievement as well as a possible improved defense against biological att
VOA标准英语2010年(十)月
Study: Immune System Weakens in Space During the final flight of the US space shuttle Atlantis in the summer of 2011, one of the most important pieces of scientific cargo on board was a medical experiment designed to test how the human immune system
VOA标准英语2013年(四月)
[00:00.00]Lesson 27 [00:01.63]第二十七课 [00:03.27]ROBERT BRUCE,KING OF SCOTLAND [00:05.66]苏格兰国王罗伯特布鲁斯 [00:08.05]Many centuries ago,Scotland was ruled by a king named Robert Bruce. [00:11.47]许多世纪以前，苏格兰有一
电视英语口语教材
As Africas only aerospace and defence expo that combines both a trade exhibition and an air show, the five-day 2018 Africa Aerospace and Defence (AAD) has started Wednesday in the city of Tshwane, South Africa. Organised by Chinas State Administratio
2018CRI中国国际广播电台
1. I've really got to go, I'll get back to you when I get the office. 我真的得走了，我进办公室再打给你。 2. Sorry, I must end the conversation. There's someone on the other line. 抱歉
实用英语
LONDON, Feb. 7 (Xinhua) -- China's top player Ding Junhui believes Mark Selby is the man to beat as he looks ahead to the defence of his Welsh Open title next week. Ding got the better of Selby in last year's final at the Newport Center, winning 9-6
英语新闻
今天我们要学的词是immune。Immune, 的意思是免疫的，比如，immune system就是指免疫系统， immune disease则是免疫系统疾病。Immune还可以指免除的,不受影响的. Apple's OS X, which has long been considered immu
英语单词荟萃
Developing countries in Africa are bracing for serious setbacks in their economies. One of the countries that may feel the effects of the downturn more acutely than others is Kenya, which suffered months of political unrest earlier this year. VOA Co
VOA标准英语2008年（十月）
1. I've really got to go, I'll get back to you when I get the office. 我真的得走了，我进办公室再打给你。 2. Sorry, I must end the conversation. There's someone on the other line. 抱歉，我不能再说了。有另一人在线。 3.
英语口语
A US missile defence site in Romania has become operational. This has angered Russia, which opposes advanced military systems in its former area of influence. The missile defence is said to protect Europe from ballistic missile threats. NATO says the
cctv9英语新闻2016年
1. I've really got to go, I'll get back to you when I get the office。 我真的得走了，我进办公室再打给你。 2. Sorry, I must end the conversation. There's someone on the other line。 抱歉，我不能再说了。有另一人在线。
实用英语
Zimbabwean President Emmerson Mnangagwa is pledging more efforts to improve the competencies of the country's army. At an event to celebrate Zimbabwe's 38th Defence Forces Day, President Mnangagwa acknowledged the critical role of the country's Defen
2018CRI中国国际广播电台
America's next defence secretary 美国下任国防部长 Fit for purpose 量身定做 Ashton Carter is well-qualified to lead the Pentagon, if he is allowed to 阿什顿卡特完全够格统领五角大楼，前提是他通过提名 More hawkish tha
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