你喝的水够吗？⏲️ 6分钟英语：英语精读讲义

6 Minute English from bbclearningenglish.com.

来自 bbclearningenglish.com 的 6 Minute English。

Hello,

你好，

this is 6 Minute English from BBC Learning English.

这里是 BBC Learning English 的 6 Minute English。

I'm Phil.

我是 Phil。

And I'm Beth.

我是 Beth。

Nowadays,

现如今，

I often see people carrying water bottles with them to make sure they drink enough. 短語搭配

我经常看到人们随身带着水壶，以确保自己喝足够的水。

How much water do you drink a day, 語法

你一天喝多少水，

Phil?

Phil？

Phew,

呼，

I don't know.

我不知道。

Um

嗯，

maybe about a liter?

大概一升左右吧？

Okay,

好的，

and do you know how much water you should drink a day?

那你知道一天应该喝多少水吗？

I think it's probably about 2 L.

我觉得大概是两升吧。

Ah,

啊，

well,

其实，

the number many people have heard is 2 L a day. 語法

很多人听到的数字是一天两升。

Of course,

当然，

everyone needs to drink some water.

每个人都需要喝些水。

Over half the human body is made up of it. 短語動詞

人体有一半以上是由水构成的。

But exactly how much water do we need to stay healthy? 語法

但我们到底需要喝多少水才能保持健康呢？

That's what we'll be discussing in this program, 表達脈絡

这就是我们将在本节目中讨论的内容，

along with some useful new vocabulary as well. 短語搭配

同时还会学习一些有用的新词汇。

And speaking of vocabulary, 表達脈絡

说到词汇，

remember you can download all the new words and phrases from this program,

记住你可以从本节目下载所有的新单词和短语，

plus worksheet exercises to help you learn them on our website,

以及帮助你学习它们的练习册，这些都在我们的网站上：

bbclearningenglish.com.

bbclearningenglish.com。

Great.

太棒了。

But first,

但首先，

I have a question for you,

我有一个问题要问你，

Phil.

Phil。

I mentioned that over half the human body consists of water. 短語搭配

我提到过人体有一半以上是由水组成的。

But there's an even higher percentage of water in our blood. 短語搭配

但我们血液中水分的比例甚至更高。

But how much?

但究竟是多少呢？

Is our blood A,

我们的血液是 A，

around 80% water?

大约 80% 是水？

B,

B，

around 90% water?

大约 90% 是水？

Or C,

还是 C，

100% water?

100% 是水？

I think it's around 80% water.

我认为大约 80% 是水。

Okay,

好的，

I will reveal the correct answer later in the program. 短語搭配

我将在节目稍后公布正确答案。

Our blood needs water

我们的血液需要水分，

so it can carry nutrients to the body's cells and organs. 講解

这样它才能将营养输送到身体的细胞和器官。

The amount recommended is often given as 2 L a day. 短語搭配

推荐的饮水量通常被给定为一天两升。

But why?

但为什么呢？

Here to discuss this with BBC World Service program, 表達脈絡

来到 BBC 国际频道节目

The Food Chain,

《The Food Chain》一起讨论这个问题的，

is biologist Professor John Speakman.

是生物学家 John Speakman 教授。

So I'm not sure how it was arrived at, 短語動詞

所以我不确定这个数字是如何得出的，

but it seems to be a number that has taken grip on a very large number of countries. 講解

但它似乎是一个已经在许多国家深入人心的数字。

So if you look at government recommendations around the world, 表達脈絡

因此，如果你看看世界各地政府的建议，

they're pretty much all the same. 短語搭配

它们几乎都是一样的。

They pretty much all say everybody's got to be drinking 2 L of water. 語法

它们几乎都说每个人必须喝两升水。

Professor Speakman doesn't know how the number of 2 L a day was arrived at.

Speakman 教授不知道一天两升这个数字是如何得出的。

How it was decided or calculated.

也就是它是如何被决定或计算出来的。

Nevertheless, 表達脈絡

尽管如此，

the idea of drinking 2 L a day

一天喝两升水的观念

has taken grip on many governments around the world.

已经在世界各地的许多政府中深入人心（taken grip on）。

When you say an idea has taken grip on something, 表達脈絡

当你说一个想法对某事 taken grip on 时，

you mean it's taken control of it.

你的意思是它控制了它。

Yes,

是的，

Professor Speakman says that pretty much all governments are giving pretty much the same recommendation.

Speakman 教授说，几乎所有的政府都在给出几乎相同的建议。

He uses the phrase pretty much to mean almost.

他使用短语 pretty much 来表示“几乎”。

For example,

例如，

pretty much all governments advise drinking 2 L a day

“pretty much all governments advise drinking 2 L a day”

means almost all governments advise it.

意思是几乎所有政府都这样建议。

What Professor Speakman doesn't have, 語法

然而，Speakman 教授没有的，

however,

却是，

is any scientific evidence for this advice. 短語搭配

任何支持这一建议的科学证据。

The number of exactly 2 L isn't based on scientific fact. 短語搭配

恰好两升这个数字并不是基于科学事实。

It's more of a ballpark figure. 習語

它更像是一个大致的数字（ballpark figure）。

A number which is a guess,

一个作为猜测的数字，

but which you still believe is approximately correct.

但你仍然相信它大致正确。

Actually,

实际上，

the amount of water in our bodies is changing all the time. 短語搭配

我们体内的水分量一直在变化。

Like your bank balance, 表達脈絡

就像你的银行余额，

which goes down when you spend money, 短語動詞

当你花钱时会减少，

your body loses water all the time when you breathe,

你的身体在你呼吸、

sweat,

出汗

or go to the toilet. 用詞

或上厕所时，也会一直流失水分。

Exactly how much you need to drink depends on how much water your body needs to replace. 短語搭配

你到底需要喝多少水，取决于你的身体需要补充多少水。

And that mainly depends on your size.

这主要取决于你的体型。

But what happens when we drink less than we should? 語法

但如果我们喝的水少于应喝的量会发生什么呢？

Here's hydration expert Dr. Nidia Rodriguez-Sanchez describing the effects of dehydration to BBC World Service's The Food Chain. 用詞

下面是补水专家 Nidia Rodriguez-Sanchez 博士在 BBC 国际频道的《The Food Chain》节目中描述脱水的影响。

And also many times we start getting dehydrated 語法

而且很多时候我们开始脱水，

and we don't realize we are dehydrated.

但我们却没有意识到自己脱水了。

So it's very common that we feel tired 語法

因此，我们感到疲倦是很常见的，

or we feel like with a bit of a headache 短語搭配

或者我们觉得有点头痛，

or even we think we are hungry.

甚至我们认为自己饿了。

And we go and get some food and actually what is happening is that we are thirsty, 講解

我们去吃点食物，而实际上正在发生的是我们口渴了，

that we are dehydrated.

也就是我们脱水了。

We're starting to show some signs or some symptoms of dehydration. 短語搭配

我们开始表现出一些脱水的迹象或症状。

Dr. Sanchez describes the effect of dehydration, 用詞

Sanchez 博士描述了脱水的影响，

the condition of not having enough water in your body

也就是你体内没有足够水分的状况，

so that you feel ill or weak.

导致你感到生病或虚弱。

She mentions feeling tired,

她提到感觉疲惫、

having a headache,

头痛

or a dry mouth as symptoms of dehydration.

或口干是脱水的症状。

Symptoms are signs or feelings in the body 用詞

症状是身体上的迹象或感觉，

showing the presence of some illness or condition. 短語搭配

表明某种疾病或状况的存在。

So whether you drink a little more or a little less, 語法

所以，无论你喝得多一点还是少一点，

it seems that around 2 L of water a day 語法

似乎每天喝大约两升水

is a good way to keep your blood and body healthy. 短語搭配

是保持血液和身体健康的好方法。

Speaking of which, 表達脈絡

说到这里，

Phil,

Phil，

it's time to reveal the answer to my question.

是时候揭晓我问题的答案了。

What percentage of our blood is water?

我们血液中有多大比例是水？

You said 80%,

你说是 80%，

and the answer is 90%.

而答案是 90%。

Our blood consists of around 90% water.

我们的血液含有大约 90% 的水。

Okay,

好的，

let's recap the vocabulary we've used, 表達脈絡

让我们回顾一下我们用过的词汇，

starting with the phrase to arrive at a number,

从短语 to arrive at a number（得出一个数字）开始，

meaning to decide it by doing calculations.

意思是通过计算来决定它。

If an idea takes grip on something,

如果一个想法 takes grip on（深入影响）某事，

it takes control of it.

它就控制了它。

The phrase pretty much means almost.

短语 pretty much 意思是几乎。

For example,

例如，

pretty much everyone likes chocolate,

pretty much everyone likes chocolate，

which means almost everyone likes chocolate.

意思是几乎每个人都喜欢巧克力。

A ballpark figure is a phrase meaning a number which is an acceptably accurate approximation.

A ballpark figure（大致的数字）是一个短语，意思是一个可接受的、准确的近似数值。

Dehydration is the condition of not having enough water in your body

Dehydration（脱水）是你体内水分不足的状况，

so that you feel ill or weak.

以至于你感到生病或虚弱。

And finally,

最后，

a symptom is a sign or feeling in the body

a symptom（症状）是身体上的迹象或感觉，

showing the presence of an illness or condition.

表明某种疾病或状况的存在。

Once again,

再次提醒，

our 6 minutes are up. 習語

我们的 6 分钟时间到了。

Why not join me now and head over to our website, 講解

为何不现在加入我，前往我们的网站，

bbclearningenglish.com.

bbclearningenglish.com。

Download the worksheet for this program

下载本节目的练习册，

and test yourself to see how much you remember. 短語搭配

测试一下自己，看看你记住了多少。

See you there soon.

很快在那儿见。

Bye.

再见。

6 Minute English from bbclearningenglish.com.

来自 bbclearningenglish.com 的 6 Minute English。