自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
ADJ-GRADED 复杂的;错综的 Something that is complex has many different parts, and is therefore often difficult to understand.
...in-depth coverage of today's complex issues.
...a complex system of voting.
ADJ (句子)复合的 In grammar, a complex sentence contains one or more subordinate clauses as well as a main clause.
N-COUNT 综合建筑群;综合大楼 A complex is a group of buildings designed for a particular purpose, or one large building divided into several smaller areas.
...plans for constructing a new stadium and leisure complex.
...a complex of offices and flats.
N-COUNT 错综复杂的组合;复合体 A complex of things is a group or system of things that are connected with each other in a complicated way.
...the complex of clans which occupied the land.
...the military-industrial complex.
N-COUNT (通常指由于过去不愉快的经历而形成的)情结 If someone has a complex about something, they have a mental or emotional problem relating to it, often because of an unpleasant experience in the past.
I have never had a complex about my height.
...a deranged attacker, driven by a persecution complex.