5克镭对1930年前后进行的实验的成功作出了决定性的贡献。

5 grams of radium made a decisive contribution to the success of the experiments undertaken in the years around 1930.

youdao

他生于1650年前后，但身世不详。

He was born around 1650 but his origins remain obscure.

《牛津词典》

原先的城堡可能是在公元860年前后修建的。

The original castle was probably built about AD 860.

《柯林斯英汉双解大词典》

He said I had it, so he headed off to a villa in the mountains, Christmastime 1925.

他说我得出结果了，所以他隐居到,山上的住宅，在1925年得圣诞前后。

麻省理工公开课 - 固态化学导论课程节选

And so he published his results around 1853.

阿姆斯特朗在1853年前后发表了他的发现。

麻省理工公开课 - 固态化学导论课程节选

One of the studies that I did for my first book, Pioneering Portfolio Management, looked at the behavior of endowments and foundations around the crash in October 1987.

我为第一本书《机构投资的创新之路》,所做的其中一个研究,是关于1987年10月那次股灾前后,各种捐赠和基金的表现

耶鲁公开课 - 金融市场课程节选