In the first , participants always interacted with the same group of people .
在第一版本中，参与者总是会与同一组组员一起互动。
It remains uncertain how long we interacted with neanderthals because when and how they went extinct is still debated .
至今不确定我们与尼安德特人有过多长时间的互动，因为关于他们何时及怎样灭绝的问题仍处于争论中。
In this case , the world of artificial intelligence was represented by a camera linked to a computer , neither of which actually interacted with the study 's participants .
他们的实验中，代表人工智能的是一台带摄像头的电脑，并且它并没有和研究参与者互动。
When the two particles interacted , it revealed the presence of the photon .
两个粒子发生交互作用的时候，光子的存在就被揭示出来。
The bank 's staff never interacted with them directly .
