单词：period retardation
单词：period retardation 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)
The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a
彭蒙惠英语
Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands
彭蒙惠英语
Every week, more children arrive to work in the hundreds of primitive mines in the bush. Here they endure long hours at dangerous jobs, wringing flecks of gold from the dirt with mercury. One of them is a 12-year-old boy named Saliou. Momodou is just
自然百科2016年
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
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
People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi
60秒科学
By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved
VOA2004（下）--健康科技
People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi
Scientific American(四)月
Time now for StoryCorps. This oral history project is traveling the country, collecting interviews between friends and families. Today we hear from a daughter and her father. --My name is David Warm, I'm 51 years old. --My name is Mary Warm, and I'm
2006年NPR美国国家公共电台
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
This is the VOA Special English Health Report. Deep inside each cell in our body is all the genetic information needed for life. Human genes are normally organized along forty-six chromosomes -- twenty-three from each parent. David Petersohn of Libe
VOA慢速英语2008年（九）月
This is the VOA Special English Health Report. Human genes are normally organized along forty-six chromosomes in our cells, twenty-three from each parent. A school for people with Down syndrome in Mexico City But some people are born with an extra c
VOA慢速英语2009年（九）月
By Carol Pearson Washington 14 January 2008 For years autism has baffled researchers and devastated families. Autism typically appears in the first three years of life. Symptoms include problems with communication, difficulty forming relationships an
VOA标准英语2008年（一月）
The Lacandon are direct descendants of the Maya peoples who live in the jungles of the Mexican state of Chiapas. Until the mid-20th century, they had little contact with the outside world. As a result, the indigenous group was almost extinct. Today
VOA标准英语2009年(五月)
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
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
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
这是一个令人心酸的故事，每个人都有权憧景新的生活，但年仅八岁的Philip除外，因为他缺乏憧憬未来的必要条件一个健康鲜活的生命，所以看看他的new life愿望吧，你一定被会为你的幸福感动
英语美文