Even though you save on kerosene, it takes more than three years after purchase for the total cost of running a compact fluorescent lamp to drop below that of a kerosene lamp and fuel.

如果不用煤油灯，节省下来的灯油钱，要三年才抵得上购买一个紧凑型灯的花费。

youdao

Mercury in compact fluorescent lamps not exceeding 5 mg per lamp.

小型日光灯中的汞含量不得超过5毫克/灯；

youdao

A lamp lighting system allows dimming of a compact gas discharge lamp to a low light output level without perceptible flicker.

一种允许将紧凑型气体放电灯调至低光输出电平而无可察觉的闪烁的灯照明系统。

youdao

He enjoys stripping down forms, emphasizing silhouette or material, as with the voluptuous Plump sofa (2008), a streamlined, space-age version of the classic Chesterfield, or Bulb (2011), an overscaled, energy-efficient lightbulb designed to challenge the aesthetics of most CFL (compact fluorescent lamp) replacements.

WSJ: Tom Dixon Makes Things Better