如果使用年岁久远而又亲切的每加仑英里数而不是陌生的瓦特时，或许会有更多的人转而选择电动车。
A lot more might then choose to do so than ifleft to deal with unfamiliar watt-hours rather than friendly old miles pergallon.
一个灯管消耗每单位瓦特所产生的流明数。
The number of lumens a bulb produces for each watt it consumes.
一排排巨大的天线阵列把强度达数兆瓦特的无线电波投射到高空大气层，天空出现了一束束耀眼的光线。
Pedersen had made them himself, with the help of an enormous array of antennas that can hurl several megawatts of radio waves into the upper atmosphere, creating brilliant light shows in the sky.
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