What's the plural

复数───complex;什么───what

Avoid complex verbal constructions.───避免使用复杂的动词结构。

Air ducts and electrical cables were threaded through the complex structure.───通风管和电缆在这幢结构复杂的建筑物中穿过。

In this company you have to go through complex bureaucratic procedures just to get a new pencil.───在这个公司里即使是领一支新铅笔,也必须通过繁琐的手续.

He's unsympathetic, but charismatic and complex.───他很讨人厌，但很有感召力，令人捉摸不透。

Ritter was a very complex man but Marius was the opposite, a simple farmer.───里特城府颇深，而马里厄斯恰恰相反，是个心地淳朴的农民。

The army is an extremely complex organism.───军队是一个极其复杂的组织.

Justice is part of the complex machinery of the law.───正义是复杂的法律机器的一部分.

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。