Question

请绝世英语高手从语法的角度详细分析翻译这句话

some of the more complicated sounds are clearl communicative, although what role they may play in the social life and culture of
cetaceans has been more the subject of wild speculation than of solid science

Answer 1

一些更为复杂的声音很明显具有交际性，虽然这些声音在鲸类动物界的群体生活及文化里扮演什么样的角色，一直以来，更多的只是猜测而非严谨的科学研究的对象。

some of the more complicated sounds are clearly communicative是主句，although引导的让步状语从句中，what role...cetaceans是一个主语从句，has been the subject构成从句的谓语，more ... than...连接两个定语，修饰subject.