In phase two, there were two doors, controlled by two different levers.

在第二阶段，有两扇由不同杠杆控制的门。

In the first phase, they had to teach the prairie voles how to open a door controlled by a lever.

在第一阶段，它们必须教会草原田鼠如何打开被杠杆控制的门。

His hand was a shadow against the luminous dials as he tripped the remote door control.

当他绊倒遥控门控制时，他的手是发光表盘上的影子。