观察者

Heinlein's “Stranger in a Strange Land” that connotes understanding someone so totally that the observer becomes one with the observed.

Heinlein在“陌生土地上陌生人”中的一个词“grok”，原本意是对一个人完全理解，以至于几乎无法与被分开了。

This qualitative study was designed by adopting the field method with observer as participant approach to collect the data.Four primiparous women were invited into this study.

采田收集资，以即参与的方式进行，共完成收集四位孕妇的生活以验资。