考研英语长难句讲解 第206期

 　　15. A century ago,Freud formulated¹ his revolutionary theory that dreams were the disguised shadows of our unconscious desires and fear by the late 1970s,neurologists had switched to thinking of them as just "mental noise" - the random² byproducts of the neural-repair work that goes on during sleep.

　　【分析】并列复合句。分号连接两个并列的分句。前一个分句的主干为Freud formulated his revolutionary theory,其中that引同位语从句补充说明theory。后一个分句的主干为 neurologists had switched thinking of them as just "mental noise",其中前句提到的dreams,破折号后内容是对mental noise的解释，其中包含that引导的定语从句修饰work。

　　【译文】一个世纪前，弗洛伊德阐述了他革命性的理论，即梦是我们无意识的欲望和恐惧经伪装后的虚幻事物；到了 20世纪70年代末期，神经专家们转而认为梦是“精神噪音”，即在睡眠中进行神经修复活动的一种随机的副产品。

　　【点拨】l）formulate意为“构想，制定”或“阐述”，本句中的意思是“阐述”。2）switch to“转换到......”

　　16. Now researchers suspect that dreams are part of the mind’s emotional thermostat³, regulating moods while, the brain is "off-line".

　　【分析】多重复合句。句子主干为researchers suspect that..., that引导宾语从句,其中 regulating...现在分词短语作状语，其中又嵌套while引导的时间状语从句。

1 formulated   

v.构想出( formulate的过去式和过去分词 )；规划；确切地阐述；用公式表示

参考例句：

• He claims that the writer never consciously formulated his own theoretical position. 他声称该作家从未有意识地阐明他自己的理论见解。 来自《简明英汉词典》
• This idea can be formulated in two different ways. 这个意思可以有两种说法。 来自《现代汉英综合大词典》

2 random   

adj.随机的；任意的；n.偶然的(或随便的)行动

参考例句：

• The list is arranged in a random order.名单排列不分先后。
• On random inspection the meat was found to be bad.经抽查，发现肉变质了。

3 thermostat   

n.恒温器

参考例句：

• The thermostat is connected by a link to the carburetor.恒温控制器是由一根连杆与汽化器相连的。
• The temperature is controlled by electronic thermostat with high accuracy.电子恒温器，准确性高。