And the second thing is that the observer is part of the observation through that interaction.

第二件事是观测者,是内部反应的观察资料的一部分。

麻省理工公开课 - 固态化学导论课程节选

so recording from the brains of mice and rats

就是观察记录实验鼠大脑的反应。

成功的医学研究 - SpeakingMax英语口语达人

Basically, injecting it into some test subjects, making sure that they didn't get diseased from it and looking at antibody responses to see if it worked and it did.

他们把疫苗接种到测试对象体内,确定接种者不会感染疾病,同时观察抗体的应答反应,了解疫苗是否有效

耶鲁公开课 - 生物医学工程探索课程节选

I've got to find them by experimenting, by putting other bodies and seeing how they react and then finding out what's the force that acts on a body when it's placed in this or that situation.

我得通过实验找出这些力,我会增加其它物体,观察其反应,求出当它处在这种或者那种情况下时,作用在物体上的力

耶鲁公开课 - 基础物理课程节选