Translation of "درسها" in English

وقد درسها في حيوانات تعاطت الكوكايين،

and he was looking at it in animals that self-administered cocaine,

من أصل 1200 جين درسها العلماء،

Out of 1,200 genes that scientists have studied,

وهذا كان أحد الأشياء التي درسها الناس علمياً،

This has also been something that people have scientifically studied,