并且，让他们戴上特制的无沿便帽，帽子里的装置用来测量他们眼球的活动，头部的活动以及脑电波。

That was done by having them catch Z's while wearing a special skull-cap that had devices for measuring eye motions, head motions, and brain waves.

youdao

并且，让他们戴上特制的无沿便帽，帽子里的装置用来测量他们眼球的活动，头部的活动以及脑电波。

That was done by having them catch Z's while wearing a special skull-cap that had devices for measuring eye motions, head motions, and brain waves.

youdao