Definition
- Plural
The intricate and often puzzling aspects or features of something that make it difficult to understand or resolve.
复杂性；复杂的特征
The issue involves several layers of complexities that need careful consideration.
这个问题涉及多层的复杂性，需要仔细考虑。
Physicians dedicate their careers to grasping the complexities of the human body's systems.
医师们将他们的职业生涯致力于理解人体系统的复杂性。
These materials have been developed to assist students in comprehending the intricacies of foreign policy.
这些材料的开发是为了帮助学生理解外交政策的复杂性。