Snyder, Daly and Bruns have recently proposed that caffeine affect behavior by countering the activity in the human brain of a naturally occurring chemical called adenosine.
Snyder, Daly和Bruns近来提出，咖啡因影响人类行为的方式，是通过抵消人类大脑中的一种自然产生的叫做腺嘌呤核苷的化合物的活动来实现的。
【词汇/短语分析】
1、adenosine n.腺苷
【语法分析】
Snyder, Daly and Bruns have recently proposed 1{that caffeine affect behavior 2[by countering the activity] 3[in the human brain] 4[of a naturally occurring chemical] 5[called adenosine]}.
1. 长句。that引导的宾语从句。
2. 介词结构倒装。by countering the activity修饰affect。
3. 介词结构倒装。in the human brain修饰activity。
4. 介词结构倒装。of a naturally occurring chemical修饰activity。
5. 分词结构倒装。called adenosine修饰chemical。
【成分分析】
Snyder, Daly and Bruns have recently proposed that caffeine affect behavior by countering the activity in the human brain of a naturally occurring chemical called adenosine.
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