The experiments had been done on briefly soaked rocks.

这些实验是在简单浸泡的岩石上做的。

youdao

Before 1815 manufacturing in the United States had been done in homes or shops by skilled artisans.

1815年以前，美国的产品制造是由熟练的工匠们在家里或商店里完成的。

youdao

He got home to find that his flat had been done over.

他到家后发现公寓里被盗了。

《牛津词典》

Earlier observations about the movement of galaxies had been done by V.M.Silpher.

VOA: special.2009.04.29

It wasn't actually a study itself on the Mediterranean Diet, but it was a review of other studies that had been done using this statistical technique called meta-analysis.

该研究本身并不直接研究地中海式饮食法,而是运用荟萃分析的统计方法,对其它已有的相关研究进行研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So it was really cool because it was the first time this play had ever been done,

真是太酷了，因为这部戏剧是第一次在舞台上完成，

记忆犹新的表演 - SpeakingMax英语口语达人

By the time Downing Street had turned the heat down again, the damage had been done.

ECONOMIST: Rumour, tittle-tattle and gossip

In a statement following the verdict Mr Rooney's family said they were pleased justice had been done.

BBC: John Sowden

But she rejected the allegation that anything unlawful had been done in the cases before the court.

BBC: NEWS | Health | Families await organ case ruling