voltage

会议开始前，房间里的紧张气氛几乎可以触摸得到。

The ___voltage in the room was almost tangible before the meeting started.

请检查电池两端的电压是否达到3伏特。

Please check if the ___voltage across the battery terminals reaches 3 volts.

这个电池提供的电压是3.7伏特。

This battery provides a ___voltage of 3.7 volts.