Lighting eats up 20 percent of the world’s electricity, or the equivalent of roughly 600,000 tons of coal a day. Forty percent of that powers old-fashioned incandescent lightbulbs—a 19th-century technology that wastes most of the power it consumes onunwanted heat.这段话的第二句话怎么翻译?破折号前面的主谓宾分别是啥?old-fashion可以做动词用?
这段话的第二句话怎毕悄镇么翻译? Forty percent of that powers old-fashioned incandescent light bulbs—a 19th-century technology that wastes most of the power it consumes on unwanted heat. 百分之四十的电力为老式的白炽灯提手粗供能量,这是一种19世纪的技术,它把大多数的能量都用在了无用的热能上面。
破折号前面的主谓宾分别是啥? 主:Forty percent of that 谓:powers 宾:old-fashioned incandescent light bulbs