voltage

/ˈvəʊltɪdʒ/ noun
标准词条 CET-4
一句话记住

电压；伏特数

释义与例句

noun 电压；伏特数
an electromotive force or potential difference expressed in volts
  1. High voltage can be extremely dangerous.
    高压可能极其危险。
  2. The voltage in this circuit is too low.
    这个电路的电压太低了。
展开其余 1 条例句
  1. Check the voltage before plugging in the device.
    插入设备前请检查电压。

词源与构词

记忆钩子 volt（伏特）+ age（名词后缀）= 电压

词族与关联词

词族（同一词根派生出的不同词性或形式）
  • volt 伏特
    unit in which voltage is measured
同义词
  • electrical potential 电势
    electrical potential is the physical quantity that voltage represents
    Electrical potential is measured in volts. 电势以伏特为单位测量。
反义词
  • amperage 安培数；电流强度
    amperage measures current flow, while voltage measures potential difference
    The amperage of the circuit was within safe limits. 电路的电流强度在安全范围内。
常见搭配
  • high voltage 高压
    The sign warned of high voltage ahead. 标志警告前方有高压。
  • low voltage 低压
    Low voltage systems are safer for home use. 低压系统在家用中更安全。
  • electrical voltage 电压
    The engineer checked the electrical voltage of the line. 工程师检查了线路的电压。