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2018年01月17日 20:37:14 | 作者:京东网 | 来源:新华社
栏目简介:《趣味青春英语视频》是外语网络电台的精品节目,通过大讲堂的网络课堂形式,能够帮助英语学习者积累一些英语背景知识,并通过互动的教学形式,帮助有效记忆英语知识。本栏目是学习趣味青春英语的好材料。201512/406396Thats the thing about the idea of a Big Bang.这就是大爆炸理论的观点啊The thing about the idea of a Big Bang is that hes wrong.大爆炸理论的观点是错的Irrational, and wrong.Its my term, Big Bang, I made it up.荒谬的 错的 是我起的名呢 大爆炸 我编的词Do you know why I call it that?Because it sounds like a cartoon.知道我为什么这么叫吗 因为听上去像动画片The Big Bang theory is cartoon physics.大爆炸理论是卡通物理Dennis agrees with this, dont you, Dennis? Lunch?丹尼斯也这么想 对不对 去吃饭啊The pope is the Big Bang man.教皇持大爆炸Because?Because before the Big Bang, there was nothing.为什么 因为大爆炸之前 什么都没有no space, no time, no matter,没有空间 没有时间 没有物质no science, no rules, which leaves room for? Guess who?没有科学 没有规律 那猜猜就剩谁了Lord God Almighty.Religion is the enemy of science, young man.万能的主啊 年轻人 宗教是科学的敌人If Catholicism had its way, we all still live in a flatter,如果天主教当道 那地球还是平的at the centre of the universe with the hell down below而且还是宇宙的中心 脚下有地狱and the heaven just so much on the left of the moon.天堂就挂在月亮的左边This is 1963, God is dead.现在是1963年了 上帝完了Stay away from Big Bangs, cartoons are bad for you.别去想大爆炸 卡通于你无益White dielectric material.Im sorry?白色介电材料 什么Lots of them. Inside antenna horn.有很多 就在天线喇叭内部Had to be it, had to be the cause of the hiss.一定是这些东西引起了嘶嘶声White dielectric material? - Yes.白色介电材料 -没错Pigeon shit, all over the horn.You know what we did?鸽子粪 喇叭上到处都是 知道我们做了什么吗Unbelievable. - Unbelievable.What did you do?难以置信 -难以置信 你们做什么了We posted them.The pigeons?We posted the pigeons.我们寄出去了 寄鸽子吗 我们把鸽子寄出去了The people we worked for had an internal mail and offices are all over American.我们的雇主 有遍布全美的内部邮政和办公机构We posted the pigeons as far away as we can send them.我们把鸽子尽量地往远了送Did it work?They came home.There was the homie pigeons.They werent y to leave.So what did you do?起作用了吗 他们飞回来了 这些鸽子很恋家 他们就是不肯走 那你们怎么办201512/415413Twenty thousand years ago,两万年前this part of America was at the edge of a vast ice sheet.美国的这部分地区正处于广阔的冰原。It covered much of the Northern Hemisphere.它覆盖了北半球大部分地区In some places, the ice would have towered over any modern skyscraper.在一些地方,冰层比天大楼还高When it retreated, just as in Yosemite,当它退去,就像约塞米蒂the ice left behind these boulders and rock smoothed and polished by ice.冰带走这些岩石和留下一片平滑光亮的土地The ice exposed a hard bedrock called schist冰使一种叫片岩的硬岩床暴露出来solid enough for sinking deep foundations to support tall buildings.能挖出足够坚固的地基 来撑高楼大厦Without this bedrock, New York could not have been built so high.没有这些岩床,纽约不可能建这么高的楼The one part of the skyline that dips大冰原堆积起散沙和沙砾is the one place where the ice sheet deposited loose sand and gravel,使一部分地平面倾斜no good for building towering skyscrapers.对于建造天大楼很不利201510/403892

The normal range for BMI is 18.5 to 24.9.BMI的正常范围为18.5到24.9A BMI less than 18.5 is considered underweight.BMI低于18.5,则体重偏轻And this can have many implication on the mother这将会对母亲和胎儿产生很多影响and fetus as discussed later.之后会详述这一点A BMI 25 and 30 is overweight.BMI介于25和30之间是超重And higher than 30 is considered obese.高于30则是肥胖Weight gain should be gradual and accumulate增重是个缓慢的过程throughout the nine months of pregnancy.应当在9个月的期内逐渐增加In the first trimester, between one to four pounds should be gained.早期妊娠阶段,体重应当增加1到4磅During the second and third trimester,在中期和晚期妊娠阶段two to four pounds per month should be gained,每个月体重应当增加2到4磅with the most weight gained体重的增加量应当during the last three months.在最后三个月达到最大Health care professionals advise against卫生保健人员建议不要losing weight during pregnancy在期减肥even if obese at the start of pregnancy.即使在一怀时就属于肥胖Again, a minimum of 15 pounds is required而且应当至少增重15磅to provide the support of the baby.为胎儿提供营养Steady weight gain is more important稳定地增加体重更加重要in the second and third trimesters特别是在中期和晚期妊娠阶段and often is reflected in the weight of the baby.通常反映在胎儿的重量上This can mean gaining three to four pounds也就是说应当每月增加3到4磅的体重which is about 1.4 to 1.8 kilograms大概就是1.4到1.8千克a month until delivery.一直依此增重直到生产It is often not possible to be at the ideal weight通常很难在怀前before becoming pregnant.达到理想体重However, if you are planning on becoming pregnant但是如果计划怀and are not at an ideal weight, it is important而且体重也不是很理想的话to start seeking help应当提早开始寻求帮助from a health care professional early从卫生保健人员那里获取建议so that you can have a healthier pregnancy.这样才能健康地怀Some associated risks have been found一些相关的风险已经被检查出来了between pre-pregnancy BMI and birth outcomes.这些风险通常发生在怀前至生产这一阶段Underweight women have complications体重偏轻的女性会出现以下一些问题such as an increased risk of preterm delivery,例如早产low birth weight, iron deficiency anemia,出生的胎儿体重过轻,缺铁性贫血and other nutritional deficiencies以及其他一些营养不足的问题associated with an inadequate diet.这主要是由膳食营养不足引起的For overweight women, some risks对体重偏重的女性而言,会面临以下风险include gestational diabetes,包括妊娠期糖尿病gestational hypertension, which is high blood pressure,妊娠期高血压Caesarian delivery, birth defects剖腹产,胎儿先天性畸形such as neural tube defects and even fetal death,例如神经管缺损,甚至胎死等postpartum effects include hemorrhaging,产后影响包括大出血wound infection or increased time of wound repair,伤口感染或者伤口不易愈合and depression.以及产后忧郁症等If a women is obese during pregnancy,如果妇女在期变得肥胖it also raises the chance her child will be obese later in life.这也会提高婴儿日后肥胖的风险There are many misconceptions人们存在很多误解about caloric needs during pregnancy.不清楚期对热量的需要During early pregnancy, the energy requirements怀初期,能量需求量are not different from pre-pregnancy needs.与怀前是不一样的Typically, pregnant women require怀的妇女需要between 2,200 to 2,900 calories a day.每天摄入2200到2900卡路里热量This amount is sufficient for the additional needs这一数量足够满足of the developing fetus.胎儿发育所需的额外热量A modest increase in calorie needs occurs需要将热量需求略微提高一般是在during the second and third trimester of pregnancy.中期和晚期妊娠阶段During the second trimester, there should be中期妊娠阶段时an increase of about 340 kcal per day应当每天增加大概340卡热量and during the third trimester there should be在晚期妊娠阶段an increase of 452 kcal per day.应当每天增加452卡热量These are very minor increases in caloric intake.这些热量的摄入量都是很小的201503/362989



UNIDENTIFIED MALE: Time for the Shoutout.“大声喊出来”的时间到了!American scientist William James is known for his research into what subject?美国科学家威廉·詹姆斯以哪方面研究出名?If you think you know it, shout it out.如果你认为你知道,那么大声喊出来吧!Is it emotion, speech, reflex or biology?是情感、演讲、反射作用还是生物学?Youve got three seconds. Go.你有三秒钟的时间,开始!UNIDENTIFIED MALE: The philosopher and psychologist William James is known for his theories surrounding emotion.威廉·詹姆斯既是哲学家,又是心理学家,他以情感有关的理论而出名。Thats your answer and thats your Shoutout.那就是你的,那就是你的“大喊”。AZUZ: Weve talked before how Internet companies like Google and social media sites like Facebook use the sites you visit and the subjects you like to help advertisers reach you. 我们节目曾探讨过像谷歌这样的互联网公司以及Facebook这类的社交网站利用你浏览的网站、你点的赞来为你推送广告。Its called data mining.这叫做数据挖掘。One thing thats new, technology that allows some computers to track your emotions while youre online. 在你上网时,电脑通过一些技术能监测你的情感,则是新鲜事。One thing thats not new, the privacy concerns.而并不新鲜的则是对泄漏隐私的担忧。 /201504/371048

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