将这根金属线的末端向后挠曲。

Bend the end of the wire back.

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首先，如果这些土罐以往被用作电池的话，它们就很可能连着一些类似于金属线的电导体。

First tof all, if the vessels were used as batteries, they would probably have been attached to some electricity conductors such as metal wires.

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我们将电极粘结于人的头皮上，电能便借助金属线的传导从大脑到达EEG，被制成图表。

By placing electrodes on someone's scalp, you can get the electricity from their brain to travel across the wire and into the EEG, where it is charted on a graph.

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