人的一生中会发生什么？：英语精读讲义

The global life expectancy is 71.4 years, 用詞

全球预期寿命为71.4岁，

but in the US it's a bit higher at 78.6. 語法

但美国略高，为78.6岁。

This amounts to 28,689 days 短語動詞

这相当于28,689天，

or 2 billion 478 million 700,000 seconds alive on Earth.

也就是在地球上活了24亿7,870万秒。

So, what can happen to you in that time? 表達脈絡

那么，在这段时间里，你会经历些什么呢？

You produce 0.4 ml of saliva per minute

你每分钟会分泌0.4毫升唾液，

and 0.5 to 1 liter per day.

每天则会分泌0.5到1升。

That means in a lifetime you could fill anywhere between

也就是说，你一生分泌的口水足以装满

180 to 360 bathtubs full of spit.

180到360个浴缸。

Men cry an average of one time per month and women 2.7 times,

男性平均每月哭1次，女性则为2.7次，

giving you an average of 1,745 good cries per lifetime.

这样算下来，一生平均会痛痛快快地哭1,745次。

The average adult is not getting their 10,000 steps in 短語動詞

一般成年人每天其实走不到10,000步，

as the average US adult only takes around 5,100 steps per day.

因为美国成年人平均每天只走约5,100步。

But in a lifetime it ends up being a pretty impressive 短語動詞

但一生累积下来，步数还是相当惊人：

146 million steps.

1.46亿步。

If the average stride length is 0.71 m, 語法

如果平均步幅是0.71米，

then you'll walk around the length of the equator around 2.6 times.

那么你走过的路程约等于绕赤道2.6圈。

Men are continually making new sperm,

男性会持续制造新的精子，

producing 1 to 10 trillion sperm cells in a lifetime. 語法

一生可产生1万亿到10万亿个精子。

And people generally start having sex around age 16 or 17.

而人们通常在16或17岁左右开始有性生活。

The baby boomers have had an average of 11 sexual partners, 文化背景

婴儿潮一代平均有过11名性伴侣，

but millennials are only expected to have around eight sexual partners throughout their lives. 語法

但预计千禧一代一生只会有约8名性伴侣。

From the ages 20 to 60,

从20岁到60岁，

it's estimated that you learn one to two new words per day 語法

据估计，你每天会学会一到两个新词，

with an average total of 42,000 words.

平均词汇量总计为42,000个词。

This number declines as we age 語法

这个数字会随着年龄增长而下降，

and is likely related to our brain decaying at a rate of 5% per 短語搭配

这很可能与我们的大脑以每

decade. after the age of 40.

十年5%的速度衰退有关，这种衰退发生在40岁以后。

The average person 15 years and older in the US works 7.9 hours per day.

在美国，15岁及以上的人平均每天工作7.9小时。

And with the average age of retirement being 63, 語法

而平均退休年龄是63岁，

you'll spend about 16 years in total at the office.

所以你一生总共会有约16年待在办公室里。

But are you really working or just looking at memes? 表達脈絡

可你真的在工作，还是只是在看表情包？

One study found that young adults use their phones 5 hours per day

一项研究发现，年轻人每天使用手机5小时，

and check their phone in 30-second bursts 85 times a day. 短語搭配

并且每天会查看手机85次，每次约30秒。

When you do the math, 習語

算一算，

that adds up to almost 13 years on your phone. 短語動詞

你一生花在手机上的时间接近13年。

That doesn't even include Netflix where subscribers spend upwards of 500 hours per year streaming content, 講解

这甚至还没算Netflix；其订阅用户每年观看流媒体内容的时间超过500小时，

which means at this rate you'd spend around 4.5 years watching Netflix. 講解

按这个速度，你一生大约会花4.5年看Netflix。

In your lifetime,

在你的一生中，

you might be a millionaire with the average bachelor degree holder

你或许能成为百万富翁：拥有学士学位的人平均

earning 1.8 million and those with a college degree earning 1.1 million.

能赚180万美元，而拥有大学学历的人平均能赚110万美元。

Of your fortune,

在你赚到的钱里，

alcohol consumption accounts for about 0.9% of annual income 短語動詞

酒类消费约占年收入的0.9%，

with 515 spent on alcohol per year.

每年花在酒上的钱为515美元。

Per day,

每天，

men sleep about 496.4 minutes

男性平均睡496.4分钟，

and women sleep 507.6 minutes on average,

女性则平均睡507.6分钟，

a statistically significant 11 minutes more than men, 用詞

比男性多出11分钟，且这个差异在统计学上显著，

which means more than a third of your life is spent snoozing. 講解

这意味着你一生有超过三分之一的时间都在睡觉。

But even when you're awake, 語法

但即使醒着的时候，

we spend 10% of the day with our eyes closed

我们每天也有10%的时间闭着眼睛，

as the average person blinks 28,800 times per day

因为一般人每天眨眼28,800次，

or 15 to 20 blinks per minute.

也就是每分钟15到20次。

By the age of 30,

到30岁时，

you'll likely get the flu twice every decade.

你很可能每十年会得两次流感。

The incidence may decrease as medicine continues to improve, 講解

随着医学不断进步，发病率可能会下降，

but may also increase because of the amount of time we spend indoors.

但也可能因为我们待在室内的时间太长而上升。

A study in the journal of Nature found

《自然》期刊刊载的一项研究发现，

that we spend 87% of our life indoors

我们一生有87%的时间在室内度过，

and 6% in a vehicle.

另有6%的时间待在交通工具里。

The Earth,

地球——

which you are currently standing on, 語法

也就是你此刻脚下所站的地方——

will travel 73 billion 884 million km in your lifetime.

在你的一生中会移动738亿8,400万公里。

So, no matter what happens, 語法

所以，无论发生什么，

you've traveled billions of kilometers through space. 語法

你都已经在太空中穿行了数十亿公里。

And that's pretty cool.

这真的很酷。

Thank you so much for watching.

非常感谢观看。

Now you know what happens in one lifetime.

现在你知道一生中会发生什么了。

You can also find out what happens in one minute in another video,

你也可以在另一个视频中看看一分钟内会发生什么，

which we'll link to over there.

链接就在那边。

It is equally as fun.

那个视频同样有趣。

It's actually one minute long,

它其实真的只有一分钟，

so like literally.

就是字面意义上的一分钟。

Subscribe to AsapSCIENCE for more weekly science videos.

订阅AsapSCIENCE，观看我们每周更新的科学视频。

You can follow us on Instagram and Twitter,

你可以在Instagram和Twitter上关注我们，

but if not, 語法

当然，不关注也没关系，

we'll see you next week.

我们下周见。

Peace. 語氣意圖

拜拜。