He collected information and studied it.

他收集信息并研究资料。

youdao

Pa studied it, and then looked at his son.

爸爸研究了一下，然后看着儿子。

youdao

I studied it yesterday.

我昨天研究过了。

youdao

The judges studied it carefully because it raised serious constitutional questions.

VOA: special.2009.05.14

It also is the case that probably many of you have already read it and possibly studied it in school and talked about it.

也有可能是你们很多人都已经读过,也有可能是在学校的时候就学过并讨论过的。

耶鲁公开课 - 现代诗歌课程节选

I don't speak any French even though I studied it.

虽然我学过法语，可是我也不怎么会说。

If I were 实战 - SpeakingMax英语口语达人

"You've studied it all day, and it's almost like it processes in your sleep, " he said.

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Safi conducts parts of her ceremonies in Arabic, even though she claims to have never studied it.

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And because I knew more about animals than people, I studied it as an outsider, as it were.

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