[组织] 胸腺

SSS 2009-01-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(81) / 评论(0)

Scientific American(一)月

狗狗的鼻子为什么总是湿的？

Why are dogs'noses so wet? 狗狗的鼻子为什么总是湿的？ Humans and dogs share a special relationship, moulded over millennia of reciprocal love and companionship. 数千年来，人类和狗狗都有十分特殊的关系，相互喜爱，相

发表于:2019-02-01 / 阅读(342) / 评论(0)

阅读空间

Hoglands

BBC Learning English People and Places Hoglands Amber:Hello, Im Amber and youre listening to bbclearningenglish.com In People and Places today, we meet Mary Moore, daughter of the renowned British artist and sculptor, Henry Moore (who died in 1986).

发表于:2019-02-04 / 阅读(151) / 评论(0)

人与地方

人体为什么会出臭汗?

What's sweat? 什么是汗水？ Your body works best when its temperature is about 37? Celsius. When your body gets hotter than that, your brain doesn't like it it wants your body to stay cool. So the part of your brain that controls temperature, ca

发表于:2019-02-05 / 阅读(26) / 评论(0)

阅读空间

TED演讲:出身决定命运?(2)

Another example: 还有一个例子 a few years ago I got a call from a man who was 19 years old, 几年前，我接到一个十九岁的男孩打来的电话 who was born a boy, raised a boy, 他生下来是个男孩，也被当作男孩来养 had a

发表于:2019-02-13 / 阅读(33) / 评论(0)

TED演讲教育篇

英语美文：人生如诗

I think that, from a biological standpoint, human life almost reads like a poem. It has its own rhythm and beat, its internal cycles of growth and decay. It begins with innocent childhood, followed by awkward adolescence trying awkwardly to adapt its

发表于:2019-02-20 / 阅读(51) / 评论(0)

英语美文

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