单词：periodontopathogens
单词：periodontopathogens 相关文章
[00:04.35]第十二部分 妇女病 [00:08.70]1.What's the matter with you? [00:17.48]你有什么不舒服? [00:26.25]For the last two or three weeks [00:28.98]在过去的两三周内, [00:31.71]I've been getting real bad pains in one of my breasts. [00:57.34]我的一个乳
医疗服务英语
period------------时期 peculiar---------- 特别的 percent----------百分比 perhaps--------- 大概
用听的背单词-基础2000MP3(h-z)
你爱看美剧吗？你看美剧学英语吗？你知道什么美剧对你的英语学习有帮助吗？今天潘吉和Jenny就要和你谈谈时下最火最热最有用的学习英语的美剧。赶快收听吧！ 1. comedy 喜剧 2. sit com(situat
美国文化脱口秀
讲解文本： period 时期，大姨妈 She is on her period. 她大姨妈来了。 疯狂练习吧！
愉悦口语
I have a trivia question for you, Don. What do the Ebola virus, anthrax, and the avian flu have in common? 唐，我有个小问题想问你，埃博拉病毒、炭疽热和禽流感这些疾病有哪些共同的特点？ Researching Disease 疾病研究
初学者听力文摘精选
Grammar Girl here. This week I have two topics for you: The number of spaces after a period at the end of a sentence, and whether you should use who or that to refer to people (and pets). Now here's our first listener question. His friends believe it
英语语法 Grammar Girl
Pathogens with added genes from Arctic bacteria could serve as vaccines that elicit an immune response before getting cooked in our warm bodies. Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated
60秒科学
The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to have potential as bioweapons. The Bush administration increased funding for research on such toxi
60秒科学
生活希望我们学会的50条人生道理Ⅳ 31. We are all weird. And life is weird. And when we find someone whose weirdness is compatible with ours, we call it love. 31. 我们都是怪人，生活也是。当我们找到那个和我们怪得很和
励志英语
By Cindy Saine Capitol Hill 22 September 2009 Senators Joseph Lieberman (r) and Susan Collins prior to start of committee's hearing on Weapons of Mass Destruction Prevention and Preparedness Act of 2009, on Capitol Hill, 22 Sep 2009 Two U.S. senator
VOA标准英语2009年(九月)
There's a good reason why people should be concerned about having a healthy environment containing lots of animal and plant species. A new study says the loss of biodiversity may make humans more vulnerable to infectious diseases. Biodiversity is one
VOA标准英语2010年(十二)月
DAVID GREENE, HOST: For the first time, scientists have figured out just how many tiny critters are living inside your kitchen sponge. Now, don't fear. NPR's Michaeleen Doucleff says there is something you can do about this. MICHAELEEN DOUCLEFF, BYLI
2017年NPR美国国家公共电台9月
Warmer Temps Trigger More Disease升温引发更多疾病 Climate change is often associated with extreme weather events, melting glaciers and rising sea levels. But it could also have a major impact on human, animal and plant health by making it eas
VOA常速英语2013年(八月)
很多打算赴国外留学的同学现在已经在联系租房的事了，在国外租房的时候一定要签订正式的租约(lease)或住房合同(housing contract)，这有时候也被称为租房协议(rental agreement)。 租房合同里大家要
实用英语
有人曾经曰过：女生是一种生命力极其顽强的生物，每个月流血几天不止，却依然上得了厅堂，下得了厨房，斗得过小强，打得过流氓。那么，女孩纸们大姨妈来了，用英语怎么说？ 1. My per
英语口语
BEIJING, Feb. 16 (Xinhua) -- The Ministry of Transport (MOT) said Thursday that about 2.85 billion passenger-trips by roads were made during the 40-day Spring Festival travel rush this year, up 9.6 percent from the corresponding period last year. A t
英语新闻
Americans knew it was hot in July, and now the government is saying last month was the hottest on record. U.S. weather officials said Wednesday the average temperature across the contiguous 48 states in the country - excluding the geographically sepa
英语新闻
台湾籍旅美老师今天交给我们的句子是： But keep in mind that as long as youre not transferring any infectious pathogens, increasing the diversity in your body is actually a very good thing. 但记住只要你不是在交换任何传染性
留美老师带你每日说英文
今天我们要学的词是 grace period. Grace period 宽限期。日本通过立法，禁止持有儿童色情的图片和视频。The new law allows a grace period of one year for owners of such materials to get rid of them. 新法给现已持有这
英语单词荟萃
1. in + 月/ 年 2. between and 3. from to 4. over the period from to 5. in the year between and 6. in the 3 years spanning from 2001 through 2004 7. for the first 3 months 8. for/ during/ over the next / following 6 months 9. for/ during/ over / in
雅思英语