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You just get a subject to take a glass of alcohol
就是拿起了一杯酒
and you could I suppose find out whats going on.
然后喝下去 看看会怎么样
But it isn't that straightforward is it?
但不是那么简单 对吧
No its not and as you say
当然不是 就像你说
its critical to understand
关键是搞明白
what really happens in the brain as alcohol hits it.
酒精进入大脑后究竟起了什么作用
And yet the nature of the drug
然而 毒品的性质
is such that it's been very difficult.
让检验变得困难
For any given amount consumed the normal way
无论服用多少量
the amounts in the blood will vary about three-to four-fold.
血液里的含量总是会有三到四倍的差别
So you can imagine if
所以你可以想象
we would like to do functional brain imaging
我们想要进行功能性大脑呈像
and visualise what brain circuits are activated
观察脑电波如何被激活
it really is almost impossible.
这真的几乎不可能
What the team did was to come up with a new technique.
这个团队所做的就是提供一种新技术
They would administer the alcohol intravenously
通过静脉注射酒精
so that my brain would receive a precise amount
使得大脑可以接受确定量的酒精
regardless of my metabolism or body size.
而新陈代谢或胖瘦不会对其产生影响
If you drink it
如果你直接喝的话
the amount in the blood for any given amount that is consumed
血液酒精含量
is extremely variable depending on people's
因为人们的体重 性别
body weight gender many other things.
还有很多其他因素而太多变了
重点解释：
1.find out发现；找出来；揭发
例句：Find out what the conditions of the contract are.弄清楚合同的条件是什么
2.go on继续；往前走；发生
例句：Let us go on to the next item on the agenda.让我们继续讨论议程上的下一个项目。
3.come up with 赶上；提出；想出
例句：He's come up with a great idea.他想出了一个绝好的办法。
