单词：detectable sample
单词：detectable sample 相关文章
A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d
英语情景对话-健康
Friday, December 1st marks the 30th World AIDS Day. 这个周五的12月1日是第三十届世界艾滋病日。 One aim of the event is to show support for people living with HIV, the virus that causes Acquired Immune Deficiency Syndrome, or AIDS. A
2017年VOA慢速英语(十一)月
The standard measure of a food's spiciness is its rating on the Scoville scale, 食物辣度的标准计量方法是借助史高维尔辣度单位测量， which measures how much its capsaicin content can be diluted before the heat is no longer dete
TED演讲教育篇
When it came to the second round of tests, Dr Golle found that the personalities of those who had gone to university had changed not a statistically detectable jot. 在第二轮测试时，Golle博士发现那些去读大学的人，他们的性格变化
经济学人科技系列
That was intriguing enough for them to be awarded a chunk of coveted observing time on the Hubble Space Telescope, to take a closer look. 这对他们来说足够令人着迷，因为他们可以获得大量观测时间，用哈勃空间望远镜进行
经济学人科技系列
While many of us go through life with the pursuit of money on our minds, were often told that money cant buy happiness. But what truth is there in the saying? Is there a correlation between money and happiness? And if so, how can we use it to our adv
英语新闻视频
This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Seismologists spend a lot of time listening to the earth. Ocean acoustic monitors have been providing information on the earths vibrations since the 1930
Scientific American(六)月
This is Scientific Americans 60 second Science, I am Cynthia Graber, This will just take a minute. Scientists are looking for Earth-like planets around other stars. But one way to limit the search can be to figure out where an Earth-like planet canno
Scientific American(五)月
Getting Tested Is First Step In Controlling HIV/AIDS 去做检查是控制艾滋病的第一步 From VOA Learning English, this is the Health Lifestyle report. 这里是美国之声慢速英语《健康与生活》节目。 The International AIDS Con
2016年VOA慢速英语(七)月
Below you will find a sample outline and the essay written from that outline. OUTLINE Paragraph 1 (Introduction) I. Leading sentence: It took me eighteen years to realize what an extraordinary influence my mother has been on my life. II. Summary of m
实用英语
Show me what you gonna do. Show me what you gonna do. 让我们看看你要做什么 让我们看看你要做什么 That's right. Mr. Goal is on later.We'll talk about how much we love Mr. Goal. Ha. 好吧 待会再聊目标先生 我们来谈谈我们
艾伦脱口秀
Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel
经济学人科技系列
Children who spend large amounts of time with their fathers have higher IQs, according to a new study. 一项新研究显示，经常与父亲在一起的孩子智商更高。 Strong fatherly involvement in their early life can also improve a child's
阅读空间
With his supervisor, Harry Whittington, and fellow graduate student Derek Briggs, Conway Morris spent the next several years making a systematic revision of the entire collection, and cranking out one exciting monograph after another as discovery pil
万物简史
20 Small World 第二十章 小生物的世界 It's probably not a good idea to take too personal an interest in your microbes. 要是你对身边的微生物过于在意，这很可能不是个好习惯。 Louis Pasteur, the great French chemist and
万物简史
Howeverand heres the thingpeople on the train would have no sense of these distortions. 然而问题就在这里车上的人并不觉得自己变了形。 To them, everything on the train would seem quite normal. 在他们看来，车上的一切似乎
万物简史
Science and technology 科学技术 Medical technology 医学技术 Skin deep 肌肤之下 A better way to diagnose skin cancers 诊断皮肤癌的更好方法 DERMATOLOGISTS are good at spotting unusual bits of skin that might or might not be cancer
经济学人科技系列
TOKYOStrong aftershocks continued to rattle Japan main's southern island of Kyushu on Sunday as rescuers confronted harsh weather in a race to rescue dozens of people believed still trapped under collapsed buildings. At least 41 people have died, six
英语新闻
Science and technology 科学技术 Forensic zoology 法医动物学 The elephant in the room 房间里的大象保护大象，刻不容缓！ Dating ivory has just become easier. Poachers beware 确定象牙年代已变得更容易了，偷猎者们要
经济学人科技系列
A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then
健康-Health