There is still a tremendous amount of intellectual ferment and excitement in the capitals of Russia.

当时的知识分子还是相当活跃,特别是在俄国大城市中。

耶鲁公开课 - 文学理论导论课程节选

This was a time when Hopkins led all American universities in the importing of important European scholars, and it was a place of remarkable intellectual ferment.

当时霍普金斯先于美国的其他大学,邀请重要的欧洲学者来讲学，那里也是有影响的思想动乱的源地。

耶鲁公开课 - 文学理论导论课程节选

The fourth is war, and we got peace movements in American history and anti-war fervor and ferment, of all kinds, for a very long time.

第四点是战争,我们美国历史上的和平运动,酝酿的反战情绪,诸此种种,由来已久了

耶鲁公开课 - 美国内战与重建课程节选