| 单词 | watt-hour |
| 释义 | watt /wot/nounA derived SI unit, the unit of power (symbol W), equal to a rate of working of one joule per second ORIGIN: James Watt (1736–1819), Scottish engineer and inventor wattˈage noun An amount of power expressed in watts wattˈ-hourˈ noun A common unit of electrical energy, being the work done by one watt acting for one hour wattˈmeter noun An instrument containing a series (current) and a shunt (voltage) coil whose combined torque produces a deflection of the needle that is a direct measure of the circuit power in watts |
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