单词:oral membrane
单词:oral membrane 相关文章
Rachel Lee: The housing market keeps losing steam. Sales of previously owned homes fell 5. 7% last month according to the National Association of Realtors. If you're looking for a house , the group's
More oral practice [00:21.33]更多的口头练习 [00:23.07]In the supermarket [00:25.04]在超级市场 [00:27.01]You are in a supermarket with your parents. [00:29.05]你与你的父母在一家超级市场。 [00:31.09]What are you going to buy?
More oral practice [00:23.14]Listen and read [00:26.70][ei] a baby favourite [00:33.85]a-e grade space [00:38.43]ai sail paint [00:43.47]ay lay stay [00:48.43]eigh eight weight [00:53.11][ai] i pilot tiger [01:00.68]i-e line white [01:06.25]y fly sky
Oral Cancer Caused by HPV Soars in Developed Countries The human papillomavirus, HPV, is actually many different viruses. One particular strain causes oral cancer, and doctors say the number of cases is reaching epidemic levels. Most of the victims a
SCIENCE REPORT – February 13, 2002: Oral Health Study By George Grow This is the VOA Special English SCIENCE REPORT. A new report examines the problem of tooth and gum disease in the United States.
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. This week, we will tell about an American study of the brain disorder schizophrenia. We tell about cars that use hydrogen as fuel. And,
Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs
(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g. The hydrogen atom is near1y l6 times as
英语中表示倍数减少的表达方法(一)a is n times as small (light,slow,)as b. a is n times smaller (lighter, slower,) than b. 以上两句均应译为:a的大小(重量,速度,)是b的1/n[或a比b小(轻,慢,)(n-1)/n]. e.g
By Jessica Berman Washington 27 November 2007 Endemic cholera, a potentially fatal diarrheal disease found in the world's poorest countries, could be effectively controlled by orally vaccinating half of the affected populations once every two years f
Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c
Going to bed in icy bedrooms, getting up in icy bedrooms, waiting patiently for Mum to spare a little hot water from the great kettle on the hob so that washing was not a teeth-chattering, painful ordeal. One day small Hal started to cough and wheeze
I must pause for one fast second and say a fast word about oral contraception. 我必须打断一下,很快地说一句关于口头避孕的事。 I was involved in an extremely good example of oral contraception two weeks ago. 两星期前,我碰到
Drugmakers and antibiotics 制药商和抗生素 The path of least resistance 最省事的办法 Governments reckon that drug firms' research efforts need a shot in the arm 政府认为需要鼓励药企的研发工作 A GROWING worry in medicine is
在我们的生活中,死亡是我们所有人必定会遇到的事情,无论是家庭成员还是宠物,甚至是你都将有终结之时。事实上,每分钟世界上大约就有100人死亡。但在人死之时到底会发生什么呢?
2010上海世博会:日本馆之面观 The Japan Pavilion, which is always among the most popular pavilions during previous World Expos, is expected to attract 17,000 visitors every day,The centerpiece performance of the pavilion will be an opera w
Science and technology 科学技术 Microbiomics 微生物组学 A virus shield 病毒防护 Viruses help keep people disease-free 病毒能够帮助人类免遭疾病 THE story of the microbiomethe community of tiny organisms that coexist symbiotica
then, ascending by a ladder to the summit, have a peep down the mouth; 然后,用一架梯子爬到那峰巅去,往下瞧一瞧它的嘴巴。 and were it not that the body is now completely separated from it, 如果它那身体现在不是已跟脑