VOA慢速英语:While You Sleep, Your Brain Works

短语讲解：

1. Do our brains turn off for the night?

turn off （把…）关掉; 完成
例句：Could you please turn off the car radio?
请你把车上的收音机关掉行么？

2. Researchers at the University of Rochester found that the brain may be busy cleaning house -- cleaning out harmful waste materials.

clean out 打扫; 离开
例句：You should also clean out your in-box.
你还需要清理电子邮箱的收件箱。

3. “Moonlighting” is working a nighttime job in addition to a day job.

in addition to 除…之外
例句：In addition to French, he has to study Japanese. 
除了法语外,他还得学日语。 

4. And this study says that is what our brains seem to be doing –working an extra job at night without additional pay for overtime.

pay for 赔偿; 为…付钱
例句：I' ll give you double pay for working overtime. 
你加班我付你双倍工钱。 

5. Whereas when we are asleep, they work very, very hard at removing all the waste that builds up when we are awake.

build up 逐步建立
例句：The cash pile will quickly build up again.
资金量会很快再次增大。

6. There, they are broken down and then removed from the body.

break down 失败; 划分（以便分析）
例句：Cellulose is hard to break down.
纤维素是很难分解的。

7. The test animal must be alive in order to see for this brain process to be seen as it happens.

in order to 为了…
例句：They buy patents in order to sue infringers.
他们购买专利的目的就是为了起诉专利侵权者。

8. Dr. Nedergaard says the next step is to look for the process in human brains.

look for 寻找（某人或某物）
例句：I ask him what he have look for the day before. 
我问他头一天他在寻找什么。 

9. The research may also one day lead to treatments to prevent or help fight neurological disorders.

lead to 导致
例句：Smoking can lead to lung cancer. 
抽烟可能导致肺癌。  
 
10. Not being able to sleep is called insomnia.

be able to 能，会; 能够
例句：How soon will china be able to clean up its air?
中国能在多短时间内将空气变清洁？