不育雄性技术

VOA标准英语2011--Reducing HIV Risk with Painless Male Circumcision

Reducing HIV Risk with Painless Male Circumcision Studies have shown that male circumcision greatly reduces the risk of HIV transmission. The World Health Organization is weighing approval of a new device that could make the procedure simple and pain

发表于:2018-12-16 / 阅读(30) / 评论(0)

VOA标准英语2011年(十二月)

Improve Your Focus with the Pomodoro Technique

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(358) / 评论(0)

2017年VOA慢速英语(六)月

VOA标准英语2008年-New Technique Revolutionizes Surgery

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(73) / 评论(0)

VOA标准英语2008年（一月）

Job Technique

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(66) / 评论(0)

趣味英语

英语听力文摘 English Digest 286、变性的青蛙

Gender-Jumping Toads 美国研究人员说，常用除草剂阿特拉津会令雄蛙变性为雌蛙。美国加利福尼亚大学伯克利分校研究人员把40只雄性非洲爪蛙放入阿特拉津浓度为10亿分之2.5的水中，发现90%雌性化

发表于:2019-03-09 / 阅读(106) / 评论(0)

英语听力文摘 English Digest

英语听力文摘 English Digest 393、单亲蜜蜂王国

Fatherless Honeybee s How male honeybee s can be without fathers? The reason lies in whats called a haploidiploid system of sex determination. Approximate ly one-fifth of the animal kingdom, including ants and wasp s , use this system. What it boils

发表于:2019-03-09 / 阅读(146) / 评论(0)

英语听力文摘 English Digest

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

association of southeast asian nations (asean)

backless costume

Balkan nephritis

ballistic coefficient

beet storage