然而在此之前，地中海是一片3000米深的大沙漠。

Before this happened, however, the Mediterranean was a vast desert 3,000 meters deep.

youdao

随着钢琴越来越普及，古典音乐也随之进入了中产阶级的生活，而在此之前，古典音乐只是为上层阶级创作的。

As pianos became more available, they brought classical music, the music which previously had been composed only for the upper classes, into the lives of the middle-class people as well.

youdao

而在此之前他们不得不使用美元。

Before then, they had to use us dollars.

youdao

Christianity began as a persecuted religion that ultimately captured the Roman empire only after centuries of hostility towards the Empire, towards Rome, towards the secular state in general.

基督教最初作为被迫害的宗教,最终征服了整个罗马帝国,而在此之前,它经过了数世纪,对帝王对罗马以及,对整个世俗世界的反抗

耶鲁公开课 - 古希腊历史简介课程节选

He found it and it was the excavation of the site of Mycenae which was soon followed by the excavation of other sites from the same period that made it possible for people to talk about this culture, even before they could read the script.

他找到了迈锡尼城,并且这次的挖掘之后,又引发了一轮对于,同时期其他遗迹的挖掘活动,而这也让人们在破解他们的文字之前,有了探索此文明的可能性

耶鲁公开课 - 古希腊历史简介课程节选