Protein molecules compose all the complex working parts of living cells.───活细胞中所有复杂的运行成分都由蛋白质分子构成。

a complex and multifaceted problem───一个复杂的需从多方面考虑的问题

He was an unusually complex man.───他是个异常复杂的人。

Today's complex buildings require close teamwork between the architect and the builders.───如今的建筑结构复杂，需要建筑师和施工人员密切协作。

If a book is hard going, it ought to be good. If it posits a complex moral situation, it ought to be even better.───如果一本书很难读, 那么它应该是一本好书; 如果它提出了一个复杂的道德状况, 那么它就更应该是本好书了.

the complex structure of the human brain───错综复杂的人脑构造

It must be stated that this illness is one of the most complex conditions known to man.───必须声明，这种疾病是人类已知的最为复杂的疾病之一。

He wants to add a huge sports complex to Binfield Manor.───他想给宾菲尔德庄园加盖一个大型综合体育场。