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The fact is I've been drinking ever since I was a teenager.
事实上 少年时代起我就开始喝酒
And yet what I've never dared to ask myself
不过 我一直不愿意去思考
is what exactly does it do to make me feel the way I do when I drink?
酒精是如何让我产生饮酒体验的
I've come to meet a colleague of mine Professor Nutt
于是 我去拜访了一同事 纳特教授
to really pin down the pharmacology of this drug alcohol.
希望能切实了解酒精的药理学作用
What is it about alcohol that we like as humans?
究竟是什么 使人们这么喜爱饮酒
Well alcohol is a remarkable drug
酒精是一种无与伦比的药物
cos it's so many different things.
因为它包含复杂的成分
Many people use different aspects of alcohol
酒精繁多的各种功能
to serve their own purposes.
可以满足人们不同的需要
Here's alcohol. You’ve got some here!
这有些酒精 你都准备好了
So this is lab-grade ethanol?Thats right.
这是实验室使用的乙醇? 对
If you have a couple of largeish glasses of wine
如果喝下几大杯葡萄酒
then you'd be drinking about that much.
摄入的酒精大概会有这么多
It works on many different systems in the brain.
大脑中很多系统会产生反应
The first effect most of us have with alcohol is we get calm.
首先 大多数人会感到平静
So taking a couple of shots of alcohol
因此 几杯酒下肚
is like taking a minor tranquilliser like Diazepam.
就像服用了少量镇定药 例如安定
The best example is when people are flying.
坐飞机是一个典型的例子
The first thing they do when the seatbelt sign comes off
飞机起飞时 当安全带指示灯亮后
is serve the drinks
乘务员首先要端上酒水
because about 30% of people are phobic of flying.
因为30%的人对飞行有恐惧反应

重点解释

The fact is I've been drinking ever since I was a teenager.事实上， 少年时代起我就开始喝酒

ever since从那时起； 自那时以来

He's been lying low ever since I asked him for the money he owes me.

自从我催他还钱，他就不露面了。

He's been in the doldrums ever since she left him.

自从她离开他以来，他一直很消沉。

to really pin down the pharmacology of this drug alcohol.希望能切实了解酒精的药理学作用

pin down确定； 下结论

It was difficult to pin down exactly what it was in her that pleased him so much.

很难确切说清她身上有什么东西使他这样动心。

She's a difficult person to pin down.

她这人行事、说话没个准儿。

If you have a couple of largeish glasses of wine如果喝下几大杯葡萄酒

a couple of两个, 几个

He patched up a couple of old tires.

他补了几条旧车胎。

The bowler let go a couple of scorchers.

投球手投出了几个快球。