The Florida,for example, captured more than thirty ships before being captured itself off the coast of Brazil in eighteen sixty-four.

VOA: special.2009.09.10

But the action of the Republic takes place long before the defeat of Athens, before the rise of the Thirty and the execution of Athens .

但《理想国》撰写的时间,远早于雅典战败，及三十暴君掌权之前,也早于雅典被处决之前。

耶鲁公开课 - 政治哲学导论课程节选

Some men made as many as thirty trips before they had all of their supplies at the top.

VOA: special.2009.02.11

Before the minie ball, few soldiers could hit a target more than thirty meters away.

VOA: special.2009.12.03

Many of his most famous books were written before he was thirty years old.

VOA: special.2010.04.09

It first launched thirty years before.

VOA: special.2009.11.11