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20xxted英語(yǔ)演講稿3篇-免費(fèi)閱讀

  

【正文】 看,這條雄性能有辦法利用顏色把自己分為兩半, 所以雌性只能看到它溫順,優(yōu)雅的一邊, 雄性 (笑聲)再來(lái)看一次。s not just a squid phenomenon with males, but i donamp。re going to see it again. letamp。
  in the next bit, weamp。 頭足類動(dòng)物,有頭有角。 然而,恰是我們?cè)?jīng)以為根本不可能有生命的地方, 我們發(fā)現(xiàn)了眾多的生物,還有它們的密度和多樣性, 都超過(guò)了熱帶雨林。39。39。 這條魚(yú)有著會(huì)發(fā)光,閃爍的眼睛。s a fish with glowing eyes, pulsating eyes. some of the colors are designed to hypnotize, these lovely patterns. and then this last one, one of my favorites, this pinwheel design. just absolutely amazing, every single dive.
  他們?nèi)慷际巧锇l(fā)光體。
  thatamp。s what youamp。s had that lovely opportunity knows that for about two and half hours on the way down, itamp。
  let me be clear. fetal origins research is not about blaming women for what happens during pregnancy. itamp。s surroundings, a quicktrigger response to danger could save someoneamp。hunger winter.amp。 prenatal experience of starvation seems to have changed their bodies in myriad ways. they have higher blood pressure, poorer cholesterol profiles and reduced glucose tolerance a precursor of diabetes.
  why would undernutrition in the womb result in disease later? one explanation is that fetuses are making the best of a bad situation. when food is scarce, they divert nutrients towards the really critical organ, the brain, and away from other organs like the heart and liver. this keeps the fetus alive in the shortterm, but the bill es due later on in life when those other organs, deprived early on, bee more susceptible to disease.
  but that may not be all thatamp。 as it came to be known, killed some 10,000 people and weakened thousands more. but there was another population that was affected the 40,000 fetuses in utero during the siege. some of the effects of malnutrition during pregnancy were immediately apparent in higher rates of stillbirths, birth defects, low birth weights and infant mortality. but others wouldnamp。re born. in the autumn of 1944, the darkest days of world war ii, german troops blockaded western holland, turning away all shipments of food. the opening of the naziamp。magic fluteamp。re being introduced to the characteristic flavors and spices of their cultureamp。yuck.amp。s also tastes and smells. by seven months of gestation, the fetusamp。s native language. french babies cry on a rising note while german babies end on a falling note, imitating the melodic contours of those languages. now why would this kind of fetal learning be useful? it may have evolved to aid the babyamp。the cat in the hatamp。re really good at is sucking. researchers take advantage of this fact by rigging up two rubber nipples, so that if a baby sucks on one, it hears a recording of its motheramp。s own voice reverberates through her body, reaching the fetus much more readily. and because the fetus is with her all the time, it hears her voice a lot. once the babyamp。s abdominal tissue and through the amniotic fluid that surrounds the fetus, the voices fetuses hear, starting around the fourth month of gestation, are muted and muffled. one researcher says that they probably sound a lot like the the voice of charlie brownamp。ve already been shaped by us and by the particular world we live in. today i want to share with you some of the amazing things that scientists are discovering about what fetuses learn while theyamp。 is a report from the front lines of an exciting new field called fetal origins. fetal origins is a scientific discipline that emerged just about two decades ago, and itamp。m also a mother. and those two roles came together for me in a book that i wrote called amp。ve encountered the zerotothree movement, which asserts that the most important years for learning are the earliest ones. and so your answer to my question would be: learning begins at birth.
  well today i want to present to you an idea that may be surprising and may even seem implausible, but which is supported by the latest evidence from psychology and biology. and that is that some of the most important learning we ever do happens before weamp。 這就是魔術(shù)對(duì)于我的意義。s practice, itamp。m holding my breath or shuffling a deck of cards, is pretty simple. itamp。怎么了?”。quot。quot。quot。 當(dāng)然我不希望任何人懷疑, 我創(chuàng)造了世界紀(jì)錄,我當(dāng)然希望 確定它是堂堂正正的。 you know, so, sitting there waiting. and then suddenly i hear screaming. and i think that there is some weird thing that i had died or something had happened. and then i realized that i had made it to 16:32. so, with the energy of everybody that was there i decided to keep pushing. and i went to 17 minutes and four seconds. (applause)
  我松開(kāi)了我的腳,開(kāi)始任由身體上浮, 但我沒(méi)有把頭伸出水面, 我只是,等待我心跳停止的那一刻... 等待著... 你知道他們有神經(jīng)科的醫(yī)生 坐在那里等著搶救我。 于是在第16分鐘,我把腳滑出扣帶 因?yàn)槲抑廊绻掖_實(shí)要離開(kāi)水面, 或是突發(fā)心臟病, 他們會(huì)先跳進(jìn)來(lái)松開(kāi)我的腳上的扣帶 再拉我出水。 然后在第13分鐘,可能由于憂郁癥, 我感到胸前巨痛。 (笑聲)
  i kept pushing to 10 minutes. at 10 minutes you start getting all these really strong tingling sensations in your fingers and toes. and i knew that that was blood shunting, when the blood rushes away from your extremities to provide oxygen to your vital organs. at 11 minutes i started feeling throbbing sensations in my legs, and my lips started to feel really strange.
  我一直堅(jiān)持到10分鐘,在第十分鐘時(shí) 我開(kāi)始有這種非常強(qiáng)烈的 手指和腳趾鎮(zhèn)痛的感覺(jué)。 心率一直飆升, 直到每分鐘150次。m going to fail.amp。
  i spent the first five minutes underwater desperately trying to slow my heart rate down. i was just sitting there thinking, amp。
  then, what they also did was, which we never did before, is there was a heartrate monitor. and it was right next to the sphere. so, every time my heart would beat iamp。s how you drown. luckily kirk had seen me and he swam over and pulled me up. so, i started full focus. i pletely trained to get my breath hold time up for what i needed to do. but there was no way to prepare for the live television aspect of it, being on oprah.
  當(dāng)他在那兒的時(shí)候,我試圖給他深刻印象 于是我猛地下潛了160尺, 大概有16層樓那么高, 可我在上浮過(guò)程中,昏了過(guò)去, 那是相當(dāng)危險(xiǎn)的。 你知道,比原來(lái)紀(jì)錄長(zhǎng)出很多。當(dāng)我在水下第一次打破紀(jì)錄時(shí), 她卻在翻我的黑莓手機(jī), 檢查我所有的短信。 我每晚睡在低氧艙里, 所謂低氧艙就是模擬 海拔15000尺的含氧量, 跟終極野營(yíng)似的。 也就是先吸入入純氧, 充沛氧氣,排出二氧化碳。 這被證明是個(gè)極嚴(yán)重的錯(cuò)誤。此資料由網(wǎng)絡(luò)收集而來(lái),如有侵權(quán)請(qǐng)告知上傳者立即刪除。 開(kāi)始后我因?yàn)閽昝摰膭?dòng)作浪費(fèi)了很多氧氣, 到第7分鐘我已經(jīng)開(kāi)始 不住可怕的抽搐中amp。 然后你就可以屏氣更長(zhǎng)時(shí)間。 這么做的原因是, 可以累積體內(nèi)紅細(xì)胞的數(shù)目, 幫助你更好的保存氧氣。 (笑聲) 我哥哥拍了張當(dāng)時(shí)的照片。
  now, i wanted to g
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