This stage (阶段) of a butterfly's life is known as the "pupa" stage.

蝴蝶生命中的这一阶段被称为“蛹”。

youdao

And, during the time of his interactions with Thompson and Rutherford, he got to thinking about a way to explain the observations of Rutherford.

通过在这段时期,和汤姆逊及卢瑟福的交流，他想到了一个办法,来解释卢瑟福的观察。

麻省理工公开课 - 固态化学导论课程节选

I've made a lot of really good friends in a really short time span.

在很短的一段时间里，我就交了很多好朋友。

斯坦福的奖学金 - SpeakingMax英语口语达人

These things run for variable amounts of time because they take input, a list of size of some amount.

而这一段的执行时间是可变的,因为它们需要输入一个包含一些元素的列表。

哈佛公开课 - 计算机科学课程节选