研究人员正在研究压力对决策过程的影响。

Researchers are ___studying the impact of stress on decision-making processes.

生物学家经常研究动物行为以理解适应机制。

Biologists frequently ___study animal behavior to understand adaptation mechanisms.

她计划为她的历史研究研究古代手稿。

She plans to ___study ancient manuscripts for her historical research.