原文视听

Now without the medication,
如果没有药物帮助
you could ground Liam and he would go back the next day
你可以给利亚姆禁足 但第二天
and do the same thing that he'd been grounded for.
他会又会重犯让他禁足的错误
With medication it just enables him to consider the consequences,
在药物的帮助下 他可以去更清楚地
a little bit more clearly, of his actions.
考虑行动的后果
It was only by accident
研究人员是在偶然间
that researchers discovered drugs like Ritalin
发现像利他林这种药
could help children with behavioural problems concentrate better.
可以帮助有行为问题的儿童更好地集中精力
These drugs were originally designed
这些药在50年前
50 years ago for the treatment of adults with depression.
是为治疗成人的抑郁症而设计的
It's only now
然而直到现在
we are beginning to understand how they work.
我们才开始了解它的作用机理
ADHD is believed to be caused by an imbalance
ADHD是由于大脑中
of key chemical messengers in the areas
控制注意力和工作记忆区域里的
of the brain that control attention and working memory.
关键化学递质不平衡引起的
Ritalin appears to make these
利他林似乎能让这些
messengers more effective, helping to restore attention.
递质更加强效 进而帮助恢复注意力
Like all drugs, Ritalin comes with a cost.
和所有药物一样 利他林也有副作用
It can cause a loss of appetite and insomnia.
它可能引起食欲降低和失眠
But now another benefit has
但现在又发现了它的另一个功效
been revealed from which we could all profit.
可以惠及我们所有人

重点解释

you could ground Liam and he would go back the next day and do the same thing that he'd been grounded for.你可以给利亚姆禁足，但第二天他会又会重犯让他禁足的错误

go back回去

He makes a return and go back to the hotel.

他掉转车头，驶回饭店。

The children have to go back to school next week.

下周孩子们要返校了。

With medication it just enables him to consider the consequences,a little bit more clearly, of his actions.在药物的帮助下， 他可以去更清楚地考虑行动的后果

a little bit有点儿； 一点儿

I reckon the girl is a little bit boyish.

这想这个女孩有点男孩子气。

I'm a little bit tired. Let's take a short rest.

我有点累了。让我们休息一会儿。