The riots have been bad for Britain's already stuttering economy.

这场骚乱对英国已然迟滞的经济来说无异于雪上加霜。

We find stuttering in songbirds, we can induce a Parkinson like conditioning then that causes stuttering.

我们发现鸣禽有结巴的现象后，就可以总结出一种类似于帕金森的情况，正是这种情况引发了口吃。

For centuries, people have feared being judged for stuttering.

几个世纪以来，人们一直害怕因口吃而招致非议。

For a few minutes all that can be heard is the cat's breathing and the engine's rhythmic stuttering.

有那么几分钟，只听见猫咪喘气的声音和发动机有节奏的磕巴。

His boyfriend started stuttering when she asked him about the affair.

她的男朋友开始结巴起来，当她问起外遇的事情。

He says that stuttering is very common and it happens in all languages.

他表示，口吃很常见，在所有语言中都存在这种现象。

Stuttering has been recorded as far back as ancient China, Greece and Rome.

早在古代中国、希腊和罗马就有口吃的记录。

Biden spoke about his experience of learning to live with stuttering as a child.

拜登谈到他小时候口吃的经历。

That, of course, raises the question of what a stuttering mouse sounds like.

当然，又有了另一个问题，口吃的老鼠听起来像什么呢。

Researchers identified the first genes strongly linked to stuttering more than a decade ago.

研究人员早在十多年前就发现了第一批与口吃密切相关的基因。

With luck, the causes of stuttering should soon be understood better.

幸运的话，引发口吃的原因很快就会被更好的理解了。

Unravelling the mystery of faltering speech DOWN the ages stuttering has been blamed on many things.

解秘演讲时的口吃多年来，口吃可以归咎于许多事。

And these are the behaviors that we refer to as stuttering.

这些行为我们称之为口吃。

That is around the age many kids begin stuttering, with about 80 percent outgrowing it.

许多孩子大约在这个年龄段开始口吃，大约80%的孩子长大后不再口吃了。

Adults and older children with stuttering should learn to speak slowly and regulate their breathing.

患有口吃的成年人和年龄较大的儿童应该学会慢点说话，同时调节呼吸。

However, all the people who went inside of the princess' room came out stuttering and muttering quietly to themselves.

可是凡是从公主的房间出来的人都小声的嘟囔着离开了。

Speech therapy is currently the main way to treat stuttering.

言语疗法是目前治疗口吃的主要方法。

Really, who can pay attention to what he's saying when he's stuttering like that.

真的，他这样结结巴巴的，谁能注意他在说什么。

The U.S. National Institutes of Health says although there is no cure for stuttering, there are several treatments available.

美国国立卫生研究院表示，虽然没有治愈口吃的方法，但有几种疗法可供选择。

42. What did the author's occasional stuttering bring about according on Paragraph 3?

42.根据第3段，作者偶尔口吃是什么原因造成的？