social milieu
cultural milieu
intellectual milieu
political milieu
A: Can you describe the intellectual milieu of that era?
A：你能描述一下那个时代的思想环境吗？
B: It was a very progressive milieu for scientific discovery.
B：那是一个非常有利于科学发现的进步环境。
1) 社会环境
2) 文化背景
3) 生活氛围
1. 社会环境，背景
noun
1. A social environment in which particular people, events, ideas, etc., exist or influence development.
Synonym: environment, setting, context