亚铁血红蛋白,还原血红蛋白

Storing Drinking Water

Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor

发表于:2018-11-27 / 阅读(572) / 评论(0)

VOA2003（下）-发展与科学

英语听力文摘 English Digest 669 高原反应是什么引起的？

What Causes Altitude Sickness? Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty

发表于:2018-12-05 / 阅读(99) / 评论(0)

英语听力文摘 English Digest

英文书摘精选高原反应是什么引起的?

Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty sleeping can plague those visi

发表于:2018-12-18 / 阅读(98) / 评论(0)

2018年NPR美国国家公共电台2月

60秒科学:猛犸缘何可以生存于冰期?

A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm or die. So their tails and heat-shedding ears shrunk, and they grew thick coats of oily fur. But

发表于:2019-01-02 / 阅读(138) / 评论(0)

60秒科学

专业术语—中草药成分英汉对照词汇C3

Cocaine 可卡因 Cocculine 衡州乌药灵 Coclaurine 乌药碱 Codeine 可待因 Codonopsis P.E. 党参提取物 Colchicine 秋水仙碱 Columbin 古伦宾 Common cnidium fruit P.E 蛇床子提取物

发表于:2019-01-03 / 阅读(116) / 评论(0)

医务英语

DEVELOPMENT REPORT - Storing Drinking Water

DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th

发表于:2019-01-07 / 阅读(257) / 评论(0)

农业与发展

SSS 2010-05-04

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(119) / 评论(0)

Scientific American(五)月

SSS 2011-09-20

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime

发表于:2019-01-08 / 阅读(122) / 评论(0)

Scientific American(九)月

VOA标准英语2010年-Iron-Regulating Protein Could Help Bat

Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo

发表于:2019-01-13 / 阅读(260) / 评论(0)

VOA标准英语2010年(八)月

VOA双语新闻：运铁素蛋白质对肿瘤细胞的影响

发表于:2019-01-19 / 阅读(120) / 评论(0)

VOA双语新闻 2010年8月

【英语时差8，16】犯罪现场调查

Amoment of crime scene investigation Ya?l: Hi Don, what are you... Don: Shh! I'm watching my favorite TV police drama: Crime Lab! Y: Oh, cool. Hey, what's that guy doing? D: Y'know Ya?l, you do have the right to remain silent... Y: Why is he spraying

发表于:2019-02-15 / 阅读(101) / 评论(0)

英语时差8，16

【英语时差8,16】什么是卟咻症？

The vampire is the stuff of the great horror stories. However, a recent textbook by geneticist John Jenkins suggests that Bram Stokers legend of the vampire, Dracula, may have had its basis in a very real disease that prevents some people from gettin

发表于:2019-03-06 / 阅读(224) / 评论(0)

英语时差8，16

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

asynchronous response mode(arm)