你喝的水夠嗎？⏲️ 6分鐘英語：英語精讀講義

6 Minute English from bbclearningenglish.com.

來自 bbclearningenglish.com 的 6 Minute English。

Hello,

你好，

this is 6 Minute English from BBC Learning English.

這裡是 BBC Learning English 的 6 Minute English。

I'm Phil.

我是 Phil。

And I'm Beth.

我是 Beth。

Nowadays,

現如今，

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

我經常看到人們隨身帶著水壺，以確保自己喝足夠的水。

How much water do you drink a day, 文法

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?

大概一公升左右吧？

Okay,

好的，

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

那你知道一天應該喝多少水嗎？

I think it's probably about 2 L.

我覺得大概是兩公升吧。

Ah,

啊，

well,

其實，

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

很多人聽到的數字是一天兩公升。

Of course,

當然，

everyone needs to drink some water.

每個人都需要喝些水。

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

人體有一半以上是由水構成的。

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

但我們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

這就是我們將在本節目中討論的內容，

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

同時還會學習一些有用的新詞彙。

And speaking of vocabulary, 表達脈絡

說到詞彙，

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

記住你可以從本節目下載所有的新單字和短語，

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

以及幫助你學習它們的練習冊，這些都在我們的網站上：

bbclearningenglish.com.

bbclearningenglish.com。

Great.

太棒了。

But first,

但首先，

I have a question for you,

我有一個問題要問你，

Phil.

Phil。

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

我提到過人體有一半以上是由水組成的。

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

但我們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,

我們的血液是 A，

around 80% water?

大約 80% 是水？

B,

B，

around 90% water?

大約 90% 是水？

Or C,

還是 C，

100% water?

100% 是水？

I think it's around 80% water.

我認為大約 80% 是水。

Okay,

好的，

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

我將在節目稍後公布正確答案。

Our blood needs water

我們的血液需要水分，

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

這樣它才能將營養輸送到身體的細胞和器官。

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

推薦的飲水量通常被給定為一天兩公升。

But why?

但為什麼呢？

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

來到 BBC 國際頻道節目

The Food Chain,

《The Food Chain》一起討論這個問題的，

is biologist Professor John Speakman.

是生物學家 John Speakman 教授。

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

所以我不確定這個數字是如何得出的，

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

但它似乎是一個已經在許多國家深入人心的數字。

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議，

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

它們幾乎都是一樣的。

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

它們幾乎都說每個人必須喝兩公升水。

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

Speakman 教授不知道一天兩公升這個數字是如何得出的。

How it was decided or calculated.

也就是它是如何被決定或計算出來的。

Nevertheless, 表達脈絡

儘管如此，

the idea of drinking 2 L a day

一天喝兩公升水的觀念

has taken grip on many governments around the world.

已經在世界各地的許多政府中深入人心（taken grip on）。

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

當你說一個想法對某事 taken grip on 時，

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 教授說，幾乎所有的政府都在給出幾乎相同的建議。

He uses the phrase pretty much to mean almost.

他使用短語 pretty much 來表示「幾乎」。

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.

意思是幾乎所有政府都這樣建議。

What Professor Speakman doesn't have, 文法

然而，Speakman 教授沒有的，

however,

卻是，

is any scientific evidence for this advice. 片語搭配

任何支持這一建議的科學證據。

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

恰好兩公升這個數字並不是基於科學事實。

It's more of a ballpark figure. 慣用語

它更像是一個大致的數字（ballpark figure）。

A number which is a guess,

一個作為猜測的數字，

but which you still believe is approximately correct.

但你仍然相信它大致正確。

Actually,

實際上，

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

我們體內的水分量一直在變化。

Like your bank balance, 表達脈絡

就像你的銀行餘額，

which goes down when you spend money, 片語動詞

當你花錢時會減少，

your body loses water all the time when you breathe,

你的身體在你呼吸、

sweat,

出汗

or go to the toilet. 用詞

或上廁所時，也會一直流失水分。

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

你到底需要喝多少水，取決於你的身體需要補充多少水。

And that mainly depends on your size.

這主要取決於你的體型。

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

但如果我們喝的水少於應喝的量會發生什麼呢？

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

下面是補水專家 Nidia Rodriguez-Sanchez 博士在 BBC 國際頻道的《The Food Chain》節目中描述脫水的影響。

And also many times we start getting dehydrated 文法

而且很多時候我們開始脫水，

and we don't realize we are dehydrated.

但我們卻沒有意識到自己脫水了。

So it's very common that we feel tired 文法

因此，我們感到疲倦是很常見的，

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

或者我們覺得有點頭痛，

or even we think we are hungry.

甚至我們認為自己餓了。

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

我們去吃點食物，而實際上正在發生的是我們口渴了，

that we are dehydrated.

也就是我們脫水了。

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

我們開始表現出一些脫水的跡象或症狀。

Dr. Sanchez describes the effect of dehydration, 用詞

Sanchez 博士描述了脫水的影響，

the condition of not having enough water in your body

也就是你體內沒有足夠水分的狀況，

so that you feel ill or weak.

導致你感到生病或虛弱。

She mentions feeling tired,

她提到感覺疲憊、

having a headache,

頭痛

or a dry mouth as symptoms of dehydration.

或口乾是脫水的症狀。

Symptoms are signs or feelings in the body 用詞

症狀是身體上的跡象或感覺，

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

表明某種疾病或狀況的存在。

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

所以，無論你喝得多一點還是少一點，

it seems that around 2 L of water a day 文法

似乎每天喝大約兩公升水

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

是保持血液和身體健康的好方法。

Speaking of which, 表達脈絡

說到這裡，

Phil,

Phil，

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

是時候揭曉我問題的答案了。

What percentage of our blood is water?

我們血液中有多大比例是水？

You said 80%,

你說是 80%，

and the answer is 90%.

而答案是 90%。

Our blood consists of around 90% water.

我們的血液含有大約 90% 的水。

Okay,

好的，

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

讓我們回顧一下我們用過的詞彙，

starting with the phrase to arrive at a number,

從短語 to arrive at a number（得出一個數字）開始，

meaning to decide it by doing calculations.

意思是透過計算來決定它。

If an idea takes grip on something,

如果一個想法 takes grip on（深入影響）某事，

it takes control of it.

它就控制了它。

The phrase pretty much means almost.

短語 pretty much 意思是幾乎。

For example,

例如，

pretty much everyone likes chocolate,

pretty much everyone likes chocolate，

which means almost everyone likes chocolate.

意思是幾乎每個人都喜歡巧克力。

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

A ballpark figure（大致的數字）是一個短語，意思是一個可接受的、準確的近似數值。

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

Dehydration（脫水）是你體內水分不足的狀況，

so that you feel ill or weak.

以至於你感到生病或虛弱。

And finally,

最後，

a symptom is a sign or feeling in the body

a symptom（症狀）是身體上的跡象或感覺，

showing the presence of an illness or condition.

表明某種疾病或狀況的存在。

Once again,

再次提醒，

our 6 minutes are up. 慣用語

我們的 6 分鐘時間到了。

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

為何不現在加入我，前往我們的網站，

bbclearningenglish.com.

bbclearningenglish.com。

Download the worksheet for this program

下載本節目的練習冊，

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

測試一下自己，看看你記住了多少。

See you there soon.

很快在那兒見。

Bye.

再見。

6 Minute English from bbclearningenglish.com.

來自 bbclearningenglish.com 的 6 Minute English。