奥尔森还研究并观察婴儿的行为。

Olson also studies and observes the behaviour of babies.

《柯林斯英汉双解大词典》

学习、研究并享受其中乐趣！谢谢您的回答。

Learn, study and enjoy! Thank you for your replies.

youdao

他和他的团队继续研究并改良了杂交水稻。

He and his team continued the research and improved the hybrid rice.

youdao

Freud studied the mind and the brain and was intensely interested in the neural basis of thought and behavior.

弗洛伊德研究心理和大脑,并对思想和行为的神经基础,有着浓厚的兴趣。

耶鲁公开课 - 心理学导论课程节选

And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Right. Another way of saying it is there isn't random assignment of the subjects to the two conditions in the study.

换种方式说,受试者并不是随机安排在,这个研究中的两种情况下。

耶鲁公开课 - 心理学导论课程节选