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。

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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。

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youdao

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

And how far in advance he had even been thinking about some of the stuff that he had done

他很早前就开始构思他的作品了，

和男朋友在一起 - 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