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【一起听英语】减肥是永久的话题

时间:2017-01-25 07:33来源:互联网 提供网友:yajing   字体: [ ]
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    (单词翻译:双击或拖选)

减肥似乎是一个永远热门的话题,人们似乎永远也不会减少这个话题的热度,怎样才是最有效的减肥方式,节食还是运动?

Rob: Hello I'm Rob….

Finn: … and I'm Finn…

Rob: … and this is 6 Minute English. In today's programme we're talking about

slimming – in other words, doing something to lose weight and get thinner.

Not a problem for you Finn?

Finn: Well, I do have a small tyre of fat that is growing around my middle – so even

I don't have a perfect body!

Rob: It doesn't show and maybe you are what we call TOFI – that's thin on the

outside and fat on the inside. But for people who perceive – or think they may

be fat on the outside, there could be some good news.

Finn: Yes, this is to do with research about the temperature of your house. We'll

explain more soon and we will look at some related vocabulary. But first Rob,

have you got a question for me?

Rob: Of course. This is about calories – these are the units that measure how

much energy you get from food. People who want to lose weight try to eat

food with fewer calories in them. But what is the recommended number of

calories an average man needs each day to maintain a healthy weight? Is it:

a) 2,000 calories

b) 2,500 calories

c) 3,000 calories

Finn: I should know this. I think it's c) 3,000 calories.

Rob: We'll find out if you are right later on. Let's talk more now about a possible

new way to slim – or lose weight. New research has found that heating your

house too much could make you fat!

Finn: And turning the central heating down could make you lose the pounds! This

is the claim from Dr Wouter van Marken Lichtenbelt, who is a biologist at

Maastricht University Medical Centre.

Rob: That's right. He got some brave volunteers to spend six hours every day for

ten days indoors, in temperatures of just 15 to 16 degrees Celsius1 whilst2 just

wearing t-shirts and shorts. That's not something I would normally do!

Finn: But these guinea pigs – a name for people who are used in experiments -

became accustomed to – or used - the cold, and their metabolism3 worked

faster.

Rob: Metabolism is an important thing. This is the chemical process in your body

that causes you to burn food and turn it in to energy. So in this research,

living in cooler conditions made people's body's burn food faster.

Finn: So they burnt off the calories and that means they lost weight. It sounds like

a simple and easy diet. I like the sound of a diet that doesn't involve too

much effort!

Rob: It doesn't mean you can just be a couch4 potato – you still need to do some

exercise. But living in a cooler temperature could help to some extent and this

is because of 'brown fat'.

Finn: Brown fat! Let's find out more about this from Dr Wouter van Marken

Lichtenbelt, who's been speaking to the BBC's Health Check programme. What

happens to brown fat when it is activated5?

Dr Wouter van Marken Lichtenbelt, Biologist, Maastricht University Medical Centre:

Brown fat cells are not really filled with fat, but with other particles that can increase energy

metabolism a lot. So if brown fat gets activated it produces heat so it warms up the body. 

Rob: So he says brown fat isn't fat! It has particles that help to increase your

metabolism. When it is activated – or starts working – it makes heat and that

warms up the body.

Finn: It's interesting stuff – and brown fat actually increases after living in cold

conditions. It's particularly found in animals that hibernate6 – the ones that

sleep during the winter.

Rob: A similar experiment took place in Japan which led to people losing weight.

But I find if the temperature is colder, I want to eat more to warm me up –

particulary unhealthy food or what we call, comfort food.

Finn: Well, the Doctor says we mustn't – and he explains that losing weight this

way also depends on other lifestyle factors – so other ways we lead our life,

such as exercise and what we eat.

Rob: But he does feel understanding environmental conditions – where we live and

work – could be useful in the future.

Finn: He thinks a factor like temperature has been neglected – or not thought

important. But he believes it should be thought about when designing heating

and cooling systems for homes and offices. Does this mean I am going to be

shivering when I'm at work?!

Rob: Well you will be producing extra brown fat instead of the other fat! But

seriously, the Doctor is just talking about turning the temperature down a few

degrees, not turning the room into a freezer. It would certainly help reduce

electricity and gas bills! Well it's time now to reveal the answer to the

question I set you earlier. I asked you what is the recommended number of

calories an average man needs each day to maintain a healthy weight?

Finn: I said c) 3,000 calories.

Rob: The answer is 2,500 calories per day. And the recommended number calories

for an average woman is 2,000 per day. Well, that brings us to the end of

today's 6 Minute English. Please join us again soon.

Both: Bye


点击收听单词发音收听单词发音  

1 Celsius AXRzl     
adj.摄氏温度计的,摄氏的
参考例句:
  • The temperature tonight will fall to seven degrees Celsius.今晚气温将下降到七摄氏度。
  • The maximum temperature in July may be 36 degrees Celsius.七月份最高温度可能达到36摄氏度。
2 whilst 6ftyw     
conj.一边...一边,当...的时候,同时,时时
参考例句:
  • She sang whilst she worked.她边干活边唱歌。
  • There was dead silence in the court,whilst the white rabbit read out these verses.当白兔子念诗的时候,法庭上鸦雀无声。
3 metabolism 171zC     
n.新陈代谢
参考例句:
  • After years of dieting,Carol's metabolism was completely out of whack.经过数年的节食,卡罗尔的新陈代谢完全紊乱了。
  • All living matter undergoes a process of metabolism.生物都有新陈代谢。
4 couch mzfxf     
n.睡椅,长沙发椅;vt.表达,隐含
参考例句:
  • Lie down on the couch if you're feeling ill.如果你感觉不舒服就躺到沙发上去。
  • The rabbIt'sprang from its grassy couch.兔子从草丛中跳出。
5 activated c3905c37f4127686d512a7665206852e     
adj. 激活的 动词activate的过去式和过去分词
参考例句:
  • The canister is filled with activated charcoal.蒸气回收罐中充满了活性炭。
6 hibernate SdNxJ     
v.冬眠,蛰伏
参考例句:
  • Bears often hibernate in caves.熊常在山洞里冬眠。
  • Some warm-blooded animals do not need to hibernate.一些温血动物不需要冬眠。
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