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S Similarities Explain Recent Discovery Detailed Skeletal Structure

en But the recent discovery of detailed similarities in the skeletal structure of the flippers in all three groups undermines the attempt to explain away superficial resemblance as due to convergent evolution—the independent development of similarities between unrelated groups in response to similar environmental pressures.
parts

意群训练: But the recent discovery of detailed similaritie s in the skeletal structure of the flipper s in all three group s undermines the attemp t to explain away superficial resemblanc e as due t o convergent evolutionthe independent development of similaritie s between unrelated group s in response to similar environmental pressures .

mark

标志:But the recent discovery [of detailed similarities (in the skeletal structure of the flippers) (in all three groups)]undermines the attempt [to explain away superficial resemblance as due to convergent evolution(—the independent development of similarities between unrelated groups in response to similar environmental pressures)].

cn

译文: 但是最近的 [对于(以上所有三种种群的 )(鳍肢的骨骼结构上的)细节相似性的]发现 ,却削弱了 这样的一种试图 ,[即把表面上的相似性当作 是由于趋同进化的原因来解释掉 ,(趋同进化就是指在一些不相关的种群之间由于对相似的环境压力做出反应,而独立地发展出相似性来)]。

explain

解释: 读者大概也看出来了,本句的最大特点就是长:复杂修饰的长主语、复杂修饰的长宾语,中间以谓语undermines相连。修饰attempt的不定式中的to explain away something as...,意思是把某件事情当作后面的东西解释掉。

本句在文中起到了一个极为重要的作用,后面有一道题专门对本句提问。现场这种句子能否顺利看懂,会直接影响考生考试的分数。

type 复杂修饰
score 4
idx 105
category gre

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