单词:placenta respiration
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Natural Nails 自然的指甲 [扮靓 -- 指甲护理] 当你写下购物清单,当你拿起电话拨号,当你洗碗、熨衣、擦窗,或是做着每个家庭主妇都要做的许多其它事情,你有没有想到要关注一下你的指甲的健康情况? [00:07.30]Listen and Share [00:18.14]Natural Nails 自然的指甲
...in Mars. Although it was completely wrong about Mars and everything he said about Mars practically was wrong. But, he built up interest in the planet which has carried over to this day. And, so, he
This is Scientific Americans 60-Second Science, Im Christopher Intagliata. Got a minute? Last month's salmonella outbreak got over 1,500 people sick. And one reason salmonella may be such a heavy hitter is that it actually hijacks our immune response
Listen this way听力教程第二册-14
Leonard: So you see, what you are eating is not technically yogurt, because it doesn't have enough live acidophilus cultures. technically: 技术上的,学术上的 yogurt: 酸奶 acidophilus: 嗜酸的 你喝的不是酸奶,因为没有足够的乳
And in the same way many of us are now wearing sensors that detect our heart rate, 同样的方式,我们现在很多人都使用穿戴式侦测器,可以侦测我们的心跳、 our respiration, our genes, on the hopes that this may help us prev
No more second guessing! Blade Runner-style 'emotion detector' could reveal if a person REALLY finds you attractive on a first date 无需再次猜测!银翼杀手风格的情感探测器会告诉你,第一次约会时对方是否真的被你所吸
必备知识4:一些必要的词根(stems) -anthro-,-anthropo- human anthropology -aster-,-astro-,-stellar- star asterisk -audi-,-audit- hear audience -auto- self autograph -bio- life biology -capit- head, chief capital, captain -ced-go, move,yield p
Researchers Say Most Deaths of Newborns Preventable 研究人员表示大多数新生儿的死亡是可以避免的 From VOA Learning English, this is Science in the News. This week, we report on research that shows most newborn baby deaths could be
As a leading member of the Acadmie Royale des Sciences, he was also required to take an informed and active interest in whatever was topicalhypnotism, prison reform, the respiration of insects, the water supply of Paris. It was in such a capacity in
Going to bed in icy bedrooms, getting up in icy bedrooms, waiting patiently for Mum to spare a little hot water from the great kettle on the hob so that washing was not a teeth-chattering, painful ordeal. One day small Hal started to cough and wheeze
Science and technology 科学技术 Blood simple 简单的输血 A small change in how babies are delivered might abolish infantile anaemia 分娩方式的简单改变可能帮助消灭婴儿贫血 An unkind cut? 争议的一剪? CHILDHOOD anaemia
plateau n. (上升后的)稳定水平(或时期、状态) plug n.塞子 pockmarked adj.有麻点的 polar adj.两极的 pole n.极 porous adj.多孔渗水的 portable adj.轻便的 pose v.形成
人们常说打哈欠会传染,每次你一打呵欠,周围的人也会跟着打哈欠。难道哈欠真的可以传染,还是仅仅是巧合而已?我们来看看神经学家是怎么说的吧! A yawn is an instinctive behavior: You don't
世博会开幕这几天一直高温不下,仅5月1、2日两天世博园区救护车出动就达到80多次,其中接诊的26个人是中暑。中暑的英文怎么说呢?大家都知道stroke,中风,而中暑就是heat stroke。 那么,中
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Mike Procter. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Imagine a baby boy. Lets call him
Creative Wrong Answers 创造性错误答案 The following gems of wisdom were gleaned from test papers and essays from elementary, junior high, high school, and college students. As one teacher noted, it is truly astonishing what weird stuff our you