原文视听

My very first drink was possibly at the age of six.
我第一次喝酒是在6岁
Sneaked one from my mum.
从我妈那里偷了点来喝
I was about 12 probably.
我差不多是在12岁
I drunk it in hiding.
我是背着大人喝的
But despite its widespread use by children
但因为现在孩子们普遍都喝酒
its very difficult to research its effects on the teenage brain.
很难研究喝酒对他们大脑发育的影响
Ethically no-one can justify giving alcohol to a child.
也没有人对此做实验
Only once back in 1984 did scientists conduct a study to directly look at this.
只有一个1984年的研究项目涉及于此
A group of children between 10-15 were brought together for an experiment.
研究对象是平均10到15岁的孩子们
Each of them had an intravenous needle inserted in their arms
他们每人都在肩膀上打了一支静脉针
so their blood levels could be monitored.
以便可以监测到血液情况
Then a dose of ethanol pure alcohol
然后再把乙醇 也就是纯酒精
was added to a soft drink and given to them.
混到汽水里给他们喝
Then they had to stand on a vibrating platform
再让他们站在一个振动的平台上
so their steadiness and balance could be was tested.
看看他们是否还能够保持平衡稳定

重点解释

Then a dose of ethanol pure alcohol was added to a soft drink and given to them.然后再把乙醇，也就是纯酒精混到汽水里给他们喝

a dose of一服(一次)

He measured out a dose of medicine.

他配出了一服药。

He gets through his pay like a dose of salts, and by Monday he's broke.

一发工资，他就很快花个精光，到了星期一便身无分文了。

add ... to把 ... 加到 ... 上

She uses tongs to add coals to the fire.

她用火钳往炉火中添煤。

Please add some soda to the whisky.

请在威士忌中加些苏打水。