18.Some individuals would therefore not have been caught, since no baited hooks would have been available to trap them, leading to an underestimate of fish stocks in the past.
【词汇突破】
individual 个体(既可以代表人,也可以代表物,往往当成代词来用,具体指代由原文来定)
underestimate 低估
【主干识别】Some individuals would not have been caught.主谓结构被动语态。
【其他成分】therefore, since no baited hooks would have been available to trap them 和 leading to an underestimate of fish stocks in the past 都作句子的状语。
【微观解析】since no baited hooks would have been available to trap them 原因状语从句;leading to an underestimate of fish stocks in the past 现在分词短语作状语表结果,在这里可以将其改写成一个句子:It leads to an underestimate of fish stocks in the past.
【难点揭秘】therefore 作状语放到了 would 和 not 之间,这是我们在写作的过程中不经常使用的,大家可以借鉴。
【译文赏析】有些鱼因此可能逃过一劫,因为那时没有用带诱饵的鱼钧抓它们，这样就低估了过去的鱼的储量。
以上是北京文都考研网给出的“2020考研英语长难句解析题十八”，希望2020考研学子根据长难句解析能快速分析句子结构，英语水平，考出好成绩！
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