Question

求大神英语句子分析

For taxonomy,or classification,long series,from a single nest,which contain all castes are desirable,to allow the determination of variation within species.请哪位大神分析一下这个句子''''''long series在这是主语嘛？是什么含义？are desirable 为啥不是放在within species后作主语的系表结构？谢谢解答！

Answer 1

这句话的主谓宾是long series are desirable to allow the determination of variation within species.long series 得从文章中来看是什么意思了，within species 定语，修饰the determination