1. 电压;伏特数
The voltage of an electrical current is its force measured in volts.

1. the difference in electrical charge between two points in a circuit expressed in volts

Synonym: electric potentialpotentialpotential differencepotential drop

2. the rate at which energy is drawn from a source that produces a flow of electricity in a circuit
expressed in volts

Synonym: electromotive forceemf