我第一次尝试它是暑假在西班牙的时候。

I tried it for the first time during my summer vacation in Spain.

youdao

在哈佛商学院时，我所在的班级曾尝试进行学院的第一次在线课程。

My business school class tried to have our school's first online class.

youdao

在哈佛商学院时，我所在的班级曾尝试进行学院的第一次在线课程。

My business school class tried to have our school's first online class.

youdao