笑声来自后面那一半，于此同时，平静来自前面那一半。

Laughter comes from the rear half and calms from the front half simultaneously.

youdao

我在焦虑中煎熬了一周，对着材料多想，猜测自己对材料的掌握程度，于此同时，我在学生和教授中做了一些自己的民意调查。

As I was suffering through my week of anxiety, overthinking the material and guessing my grasp of it, I did some of my own polling among students and professors.

youdao

于此同时，发现时间在太空中比在地球上更快。

The satellites make satellite navigation possible. But they also reveal that time runs faster in space than it does down on Earth.

youdao

At this time the Dutch are sending herrings, these long flat boats, herring ships are going all the way to Newfoundland in the seventeenth century,and Iceland, freezing off the coast of Iceland.

于此同时,荷兰人也还运输鲱鱼,这些运送鲱鱼的长板船,在十七世纪一路开往纽芬兰和冰岛等地区,并不停穿梭于被冰壳覆盖的海岸线上

耶鲁公开课 - 欧洲文明课程节选