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英语听力:自然百科 探索世界奥秘之Life Story(生命物语) Unit1

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探索世界奥秘之Life Story(生命物语) Unit1

There is one thing that everyone on earth has in common. We all live, eat and breathe within the human body. For two years I’ve been exploring this unique dwelling1 place. I want to show you what I've seen.

To come with me, you'll have to cross the globe from Australia through Africa to America. You'll have to journey into space and into a place as mysterious but much closer to home. We've developed new techniques to help you get there, new cameras to show you the way. (ah) And we'll look at familiar things with a fresh eye. You'll journey with me on the road that your body takes, through dangers, through miracles and through time. We will see the human body in all its forms, from our beginning to all our ends.

I am a doctor and a scientist. I've spent my working life looking at the human body. Now I am going to see it in a new light. Come with me.

This is Charlotte. She was born just a few hours ago. Like most of us at birth, there's really nothing to her. A bit of fat, a little sugar, a bit of protein, actually She is 75 percent water! She is really just a collection of chemicals. And yet she is the most complicated thing on earth. And during her lifetime, she'll achieve the most amazing things.

She will eat for nearly three and a half years, consuming 7,300 eggs, and 160 kilograms of chocolate .she will produce 40,000 liters of urine and spend over 6 months on the loo. She will dribble2 145 liters of saliva3 before her first birthday.

words and expressions

saliva: n.(名词)

The watery4 mixture of secretions5 from the salivary6 and oral mucous7 glands8 that lubricates chewed food, moistens the oral walls, and contains ptyalin.


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1 dwelling auzzQk     
n.住宅,住所,寓所
参考例句:
  • Those two men are dwelling with us.那两个人跟我们住在一起。
  • He occupies a three-story dwelling place on the Park Street.他在派克街上有一幢3层楼的寓所。
2 dribble DZTzb     
v.点滴留下,流口水;n.口水
参考例句:
  • Melted wax dribbled down the side of the candle.熔化了的蜡一滴滴从蜡烛边上流下。
  • He wiped a dribble of saliva from his chin.他擦掉了下巴上的几滴口水。
3 saliva 6Cdz0     
n.唾液,口水
参考例句:
  • He wiped a dribble of saliva from his chin.他擦掉了下巴上的几滴口水。
  • Saliva dribbled from the baby's mouth.唾液从婴儿的嘴里流了出来。
4 watery bU5zW     
adj.有水的,水汪汪的;湿的,湿润的
参考例句:
  • In his watery eyes there is an expression of distrust.他那含泪的眼睛流露出惊惶失措的神情。
  • Her eyes became watery because of the smoke.因为烟熏,她的双眼变得泪汪汪的。
5 secretions dfdf2c8f9fa34d69cdb57b5834c6dbea     
n.分泌(物)( secretion的名词复数 )
参考例句:
  • Lysozyme is an enzyme found in egg white, tears, and other secretions. 溶菌酶是存在于卵白、泪和其他分泌物中的一种酶。 来自辞典例句
  • Chest percussion and vibration are used with postural drainage to help dislodge secretions. 在做体位引流时要敲击和振动胸部帮助分泌物松动排出。 来自辞典例句
6 salivary xCSzA     
adj. 唾液的
参考例句:
  • Small doses depress salivary and bronchial secretion and sweating. 小剂量可抑制唾液分泌、支气管分泌及出汗。
  • The five pairs of salivary glands open into the mouth. 有五对唾液腺通向口腔。
7 mucous S6XzD     
adj. 黏液的,似黏液的
参考例句:
  • Healthy,skin,mucous membranes,and cilia are natural barriers to many viruses.健康的皮肤,粘膜和纤毛是许多病毒的天然屏障。
  • Seromucous glands contain both mucous and serous cells.浆粘液腺既含有粘液性细胞,又含有浆液性细胞。
8 glands 82573e247a54d4ca7619fbc1a5141d80     
n.腺( gland的名词复数 )
参考例句:
  • a snake's poison glands 蛇的毒腺
  • the sebaceous glands in the skin 皮脂腺
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