complex1/͵kɑmˋplɛks; ˈkɒmpleks/adj something that is complex has a lot of different parts and is difficult to understand or deal with 复杂的﹔难以理解的: a complex system of highways 复杂的公路网a highly complex issue 一个极复杂的问题—complexity /kəmˋplɛksItI; kəmˈpleksəti or kəmˈpleksIti/n [C,U] They don’t realise the complexity of the problem. 他们没有意识到问题的复杂性。
complex2/ˋkɑmplɛks; ˈkɒmpleks/n [C] 1 a group of buildings or one large building used for a particular purpose〔作某一用途的〕综合建筑﹐综合楼群: a new shopping complex 一座新的购物综合楼2 an emotional problem in which someone feels very anxious about something 情结: I think she's got an inferiority complex. 我觉得她有自卑情结。